18538580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6221}}^1$

素因数の和:6379

約数の個数: 24

約数和(自身を含む): 39198600

約数和(自身を除く): 20660020

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6221, 12442, 24884, 31105, 62210, 124420, 926929, 1853858, 3707716, 4634645, 9269290, 18538580]

約数ペア:

[(1, 18538580), (2, 9269290), (4, 4634645), (5, 3707716), (10, 1853858), (20, 926929), (149, 124420), (298, 62210), (596, 31105), (745, 24884), (1490, 12442), (2980, 6221)]