1938820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7457}}^1$

素因数の和:7479

約数の個数: 24

約数和(自身を含む): 4385304

約数和(自身を除く): 2446484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7457, 14914, 29828, 37285, 74570, 96941, 149140, 193882, 387764, 484705, 969410, 1938820]

約数ペア:

[(1, 1938820), (2, 969410), (4, 484705), (5, 387764), (10, 193882), (13, 149140), (20, 96941), (26, 74570), (52, 37285), (65, 29828), (130, 14914), (260, 7457)]