18741260

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2087}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 39463200

約数和(自身を除く): 20721940

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2087, 2245, 4174, 4490, 8348, 8980, 10435, 20870, 41740, 937063, 1874126, 3748252, 4685315, 9370630, 18741260]

約数ペア:

[(1, 18741260), (2, 9370630), (4, 4685315), (5, 3748252), (10, 1874126), (20, 937063), (449, 41740), (898, 20870), (1796, 10435), (2087, 8980), (2245, 8348), (4174, 4490)]