19931643

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{7309}}^1$

素因数の和:7419

約数の個数: 16

約数和(自身を含む): 29824800

約数和(自身を除く): 9893157

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 7309, 21927, 65781, 197343, 738209, 2214627, 6643881, 19931643]

約数ペア:

[(1, 19931643), (3, 6643881), (9, 2214627), (27, 738209), (101, 197343), (303, 65781), (909, 21927), (2727, 7309)]