19883769

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 27025920

約数和(自身を除く): 7142151

約数列:

[1, 3, 101, 137, 303, 411, 479, 1437, 13837, 41511, 48379, 65623, 145137, 196869, 6627923, 19883769]

約数ペア:

[(1, 19883769), (3, 6627923), (101, 196869), (137, 145137), (303, 65623), (411, 48379), (479, 41511), (1437, 13837)]