18081679

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{523}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 22636800

約数和(自身を除く): 4555121

約数列:

[1, 7, 11, 77, 449, 523, 3143, 3661, 4939, 5753, 34573, 40271, 234827, 1643789, 2583097, 18081679]

約数ペア:

[(1, 18081679), (7, 2583097), (11, 1643789), (77, 234827), (449, 40271), (523, 34573), (3143, 5753), (3661, 4939)]