19780212

素因数分解:

$2^2\times 3^1\times {\mathrm{881}}^1\times {\mathrm{1871}}^1$

素因数の和:2759

約数の個数: 24

約数和(自身を含む): 46230912

約数和(自身を除く): 26450700

約数列:

[1, 2, 3, 4, 6, 12, 881, 1762, 1871, 2643, 3524, 3742, 5286, 5613, 7484, 10572, 11226, 22452, 1648351, 3296702, 4945053, 6593404, 9890106, 19780212]

約数ペア:

[(1, 19780212), (2, 9890106), (3, 6593404), (4, 4945053), (6, 3296702), (12, 1648351), (881, 22452), (1762, 11226), (1871, 10572), (2643, 7484), (3524, 5613), (3742, 5286)]