19853726870

素因数分解:

$2^1\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{939599}}^1$

素因数の和:941719

約数の個数: 16

約数和(自身を含む): 35753659200

約数和(自身を除く): 15899932330

約数列:

[1, 2, 5, 10, 2113, 4226, 10565, 21130, 939599, 1879198, 4697995, 9395990, 1985372687, 3970745374, 9926863435, 19853726870]

約数ペア:

[(1, 19853726870), (2, 9926863435), (5, 3970745374), (10, 1985372687), (2113, 9395990), (4226, 4697995), (10565, 1879198), (21130, 939599)]