18564119

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2137}}^1$

素因数の和:2234

約数の個数: 16

約数和(自身を含む): 22782528

約数和(自身を除く): 4218409

約数列:

[1, 7, 17, 73, 119, 511, 1241, 2137, 8687, 14959, 36329, 156001, 254303, 1092007, 2652017, 18564119]

約数ペア:

[(1, 18564119), (7, 2652017), (17, 1092007), (73, 254303), (119, 156001), (511, 36329), (1241, 14959), (2137, 8687)]