19801212

素因数分解:

$2^2\times 3^1\times {\mathrm{1650101}}^1$

素因数の和:1650108

約数の個数: 12

約数和(自身を含む): 46202856

約数和(自身を除く): 26401644

約数列:

[1, 2, 3, 4, 6, 12, 1650101, 3300202, 4950303, 6600404, 9900606, 19801212]

約数ペア:

[(1, 19801212), (2, 9900606), (3, 6600404), (4, 4950303), (6, 3300202), (12, 1650101)]