18621205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3001}}^1$

素因数の和:3096

約数の個数: 16

約数和(自身を含む): 23991984

約数和(自身を除く): 5370779

約数列:

[1, 5, 17, 73, 85, 365, 1241, 3001, 6205, 15005, 51017, 219073, 255085, 1095365, 3724241, 18621205]

約数ペア:

[(1, 18621205), (5, 3724241), (17, 1095365), (73, 255085), (85, 219073), (365, 51017), (1241, 15005), (3001, 6205)]