19551825

素因数分解:

$3^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:898

約数の個数: 36

約数和(自身を含む): 35375340

約数和(自身を除く): 15823515

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 225, 339, 565, 769, 1017, 1695, 2307, 2825, 3845, 5085, 6921, 8475, 11535, 19225, 25425, 34605, 57675, 86897, 173025, 260691, 434485, 782073, 1303455, 2172425, 3910365, 6517275, 19551825]

約数ペア:

[(1, 19551825), (3, 6517275), (5, 3910365), (9, 2172425), (15, 1303455), (25, 782073), (45, 434485), (75, 260691), (113, 173025), (225, 86897), (339, 57675), (565, 34605), (769, 25425), (1017, 19225), (1695, 11535), (2307, 8475), (2825, 6921), (3845, 5085)]