19791759

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 28928640

約数和(自身を除く): 9136881

約数列:

[1, 3, 13, 39, 103, 169, 309, 379, 507, 1137, 1339, 4017, 4927, 14781, 17407, 39037, 52221, 64051, 117111, 192153, 507481, 1522443, 6597253, 19791759]

約数ペア:

[(1, 19791759), (3, 6597253), (13, 1522443), (39, 507481), (103, 192153), (169, 117111), (309, 64051), (379, 52221), (507, 39037), (1137, 17407), (1339, 14781), (4017, 4927)]