19366731

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 28632240

約数和(自身を除く): 9265509

約数列:

[1, 3, 9, 113, 137, 139, 339, 411, 417, 1017, 1233, 1251, 15481, 15707, 19043, 46443, 47121, 57129, 139329, 141363, 171387, 2151859, 6455577, 19366731]

約数ペア:

[(1, 19366731), (3, 6455577), (9, 2151859), (113, 171387), (137, 141363), (139, 139329), (339, 57129), (411, 47121), (417, 46443), (1017, 19043), (1233, 15707), (1251, 15481)]