19578218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8317}}^1$

素因数の和:8437

約数の個数: 16

約数和(自身を含む): 32340384

約数和(自身を除く): 12762166

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 8317, 16634, 91487, 182974, 889919, 1779838, 9789109, 19578218]

約数ペア:

[(1, 19578218), (2, 9789109), (11, 1779838), (22, 889919), (107, 182974), (214, 91487), (1177, 16634), (2354, 8317)]