17998569

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{2081}}^1$

素因数の和:2149

約数の個数: 18

約数和(自身を含む): 26876538

約数和(自身を除く): 8877969

約数列:

[1, 3, 9, 31, 93, 279, 961, 2081, 2883, 6243, 8649, 18729, 64511, 193533, 580599, 1999841, 5999523, 17998569]

約数ペア:

[(1, 17998569), (3, 5999523), (9, 1999841), (31, 580599), (93, 193533), (279, 64511), (961, 18729), (2081, 8649), (2883, 6243)]