19960992009

素因数分解:

$3^2\times 7^1\times {\mathrm{316841143}}^1$

素因数の和:316841156

約数の個数: 12

約数和(自身を含む): 32951478976

約数和(自身を除く): 12990486967

約数列:

[1, 3, 7, 9, 21, 63, 316841143, 950523429, 2217888001, 2851570287, 6653664003, 19960992009]

約数ペア:

[(1, 19960992009), (3, 6653664003), (7, 2851570287), (9, 2217888001), (21, 950523429), (63, 316841143)]