19277620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6469}}^1$

素因数の和:6627

約数の個数: 24

約数和(自身を含む): 40761000

約数和(自身を除く): 21483380

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6469, 12938, 25876, 32345, 64690, 129380, 963881, 1927762, 3855524, 4819405, 9638810, 19277620]

約数ペア:

[(1, 19277620), (2, 9638810), (4, 4819405), (5, 3855524), (10, 1927762), (20, 963881), (149, 129380), (298, 64690), (596, 32345), (745, 25876), (1490, 12938), (2980, 6469)]