Q: What is the sum of all factors of the number 18,978 excluding 18,978?
A: 18,990
The factors of the number 18,978 are: 1, 2, 3, 6, 3163, 6326, 9489, 18978.
If you add them up, you will get the total of 18,996. Now subtract 18,978 to get 18,990