18891850

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7129}}^1$

素因数の和:7194

約数の個数: 24

約数和(自身を含む): 35806860

約数和(自身を除く): 16915010

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7129, 14258, 35645, 71290, 178225, 356450, 377837, 755674, 1889185, 3778370, 9445925, 18891850]

約数ペア:

[(1, 18891850), (2, 9445925), (5, 3778370), (10, 1889185), (25, 755674), (50, 377837), (53, 356450), (106, 178225), (265, 71290), (530, 35645), (1325, 14258), (2650, 7129)]