18637340

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1231}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 39221952

約数和(自身を除く): 20584612

約数列:

[1, 2, 4, 5, 10, 20, 757, 1231, 1514, 2462, 3028, 3785, 4924, 6155, 7570, 12310, 15140, 24620, 931867, 1863734, 3727468, 4659335, 9318670, 18637340]

約数ペア:

[(1, 18637340), (2, 9318670), (4, 4659335), (5, 3727468), (10, 1863734), (20, 931867), (757, 24620), (1231, 15140), (1514, 12310), (2462, 7570), (3028, 6155), (3785, 4924)]