18079436

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 32580240

約数和(自身を除く): 14500804

約数列:

[1, 2, 4, 43, 86, 172, 257, 409, 514, 818, 1028, 1636, 11051, 17587, 22102, 35174, 44204, 70348, 105113, 210226, 420452, 4519859, 9039718, 18079436]

約数ペア:

[(1, 18079436), (2, 9039718), (4, 4519859), (43, 420452), (86, 210226), (172, 105113), (257, 70348), (409, 44204), (514, 35174), (818, 22102), (1028, 17587), (1636, 11051)]