30813212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{405437}}^1$

素因数の和:405460

約数の個数: 12

約数和(自身を含む): 56761320

約数和(自身を除く): 25948108

約数列:

[1, 2, 4, 19, 38, 76, 405437, 810874, 1621748, 7703303, 15406606, 30813212]

約数ペア:

[(1, 30813212), (2, 15406606), (4, 7703303), (19, 1621748), (38, 810874), (76, 405437)]