19665939

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 26893440

約数和(自身を除く): 7227501

約数列:

[1, 3, 59, 137, 177, 411, 811, 2433, 8083, 24249, 47849, 111107, 143547, 333321, 6555313, 19665939]

約数ペア:

[(1, 19665939), (3, 6555313), (59, 333321), (137, 143547), (177, 111107), (411, 47849), (811, 24249), (2433, 8083)]