18730881

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{160093}}^1$

素因数の和:160112

約数の個数: 12

約数和(自身を含む): 29137108

約数和(自身を除く): 10406227

約数列:

[1, 3, 9, 13, 39, 117, 160093, 480279, 1440837, 2081209, 6243627, 18730881]

約数ペア:

[(1, 18730881), (3, 6243627), (9, 2081209), (13, 1440837), (39, 480279), (117, 160093)]