Q: What is the sum of all factors of the number 17,878 excluding 17,878?
A: 12,794
The factors of the number 17,878 are: 1, 2, 7, 14, 1277, 2554, 8939, 17878.
If you add them up, you will get the total of 17,890. Now subtract 17,878 to get 12,794