18662360

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8803}}^1$

素因数の和:8867

約数の個数: 32

約数和(自身を含む): 42787440

約数和(自身を除く): 24125080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8803, 17606, 35212, 44015, 70424, 88030, 176060, 352120, 466559, 933118, 1866236, 2332795, 3732472, 4665590, 9331180, 18662360]

約数ペア:

[(1, 18662360), (2, 9331180), (4, 4665590), (5, 3732472), (8, 2332795), (10, 1866236), (20, 933118), (40, 466559), (53, 352120), (106, 176060), (212, 88030), (265, 70424), (424, 44015), (530, 35212), (1060, 17606), (2120, 8803)]