18703700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3529}}^1$

素因数の和:3596

約数の個数: 36

約数和(自身を含む): 41364540

約数和(自身を除く): 22660840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 3529, 5300, 7058, 14116, 17645, 35290, 70580, 88225, 176450, 187037, 352900, 374074, 748148, 935185, 1870370, 3740740, 4675925, 9351850, 18703700]

約数ペア:

[(1, 18703700), (2, 9351850), (4, 4675925), (5, 3740740), (10, 1870370), (20, 935185), (25, 748148), (50, 374074), (53, 352900), (100, 187037), (106, 176450), (212, 88225), (265, 70580), (530, 35290), (1060, 17645), (1325, 14116), (2650, 7058), (3529, 5300)]