18494660

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2207}}^1$

素因数の和:2635

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 20454460

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 2207, 4190, 4414, 8380, 8828, 11035, 22070, 44140, 924733, 1849466, 3698932, 4623665, 9247330, 18494660]

約数ペア:

[(1, 18494660), (2, 9247330), (4, 4623665), (5, 3698932), (10, 1849466), (20, 924733), (419, 44140), (838, 22070), (1676, 11035), (2095, 8828), (2207, 8380), (4190, 4414)]