19959012

素因数分解:

$2^2\times 3^2\times {\mathrm{554417}}^1$

素因数の和:554427

約数の個数: 18

約数和(自身を含む): 50452038

約数和(自身を除く): 30493026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554417, 1108834, 1663251, 2217668, 3326502, 4989753, 6653004, 9979506, 19959012]

約数ペア:

[(1, 19959012), (2, 9979506), (3, 6653004), (4, 4989753), (6, 3326502), (9, 2217668), (12, 1663251), (18, 1108834), (36, 554417)]