The Alaska state Elections office has unofficial, and very preliminary, results at this link. The primary was August 16 and it will be weeks before the vote is completely counted.
For Governor, it appears there will be two Republicans, one Democrat, and one independent on the November ballot.
For U.S. Senate, it appears there will be three Republicans and one Democrat on the November ballot.
For U.S. House (full term), it seems there will be three Republicans and one Democrat in November.
No minor party candidate for any statewide office advanced to the November ballot.