19900212

素因数分解:

$2^2\times 3^1\times {\mathrm{709}}^1\times {\mathrm{2339}}^1$

素因数の和:3055

約数の個数: 24

約数和(自身を含む): 46519200

約数和(自身を除く): 26618988

約数列:

[1, 2, 3, 4, 6, 12, 709, 1418, 2127, 2339, 2836, 4254, 4678, 7017, 8508, 9356, 14034, 28068, 1658351, 3316702, 4975053, 6633404, 9950106, 19900212]

約数ペア:

[(1, 19900212), (2, 9950106), (3, 6633404), (4, 4975053), (6, 3316702), (12, 1658351), (709, 28068), (1418, 14034), (2127, 9356), (2339, 8508), (2836, 7017), (4254, 4678)]