18205943

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 3083017

約数列:

[1, 7, 107, 109, 223, 749, 763, 1561, 11663, 23861, 24307, 81641, 167027, 170149, 2600849, 18205943]

約数ペア:

[(1, 18205943), (7, 2600849), (107, 170149), (109, 167027), (223, 81641), (749, 24307), (763, 23861), (1561, 11663)]