19136188

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{78427}}^1$

素因数の和:78492

約数の個数: 12

約数和(自身を含む): 34037752

約数和(自身を除く): 14901564

約数列:

[1, 2, 4, 61, 122, 244, 78427, 156854, 313708, 4784047, 9568094, 19136188]

約数ペア:

[(1, 19136188), (2, 9568094), (4, 4784047), (61, 313708), (122, 156854), (244, 78427)]