19889154

素因数分解:

$2^1\times 3^2\times {\mathrm{277}}^1\times {\mathrm{3989}}^1$

素因数の和:4274

約数の個数: 24

約数和(自身を含む): 43259580

約数和(自身を除く): 23370426

約数列:

[1, 2, 3, 6, 9, 18, 277, 554, 831, 1662, 2493, 3989, 4986, 7978, 11967, 23934, 35901, 71802, 1104953, 2209906, 3314859, 6629718, 9944577, 19889154]

約数ペア:

[(1, 19889154), (2, 9944577), (3, 6629718), (6, 3314859), (9, 2209906), (18, 1104953), (277, 71802), (554, 35901), (831, 23934), (1662, 11967), (2493, 7978), (3989, 4986)]