19490536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{187409}}^1$

素因数の和:187428

約数の個数: 16

約数和(自身を含む): 39356100

約数和(自身を除く): 19865564

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 187409, 374818, 749636, 1499272, 2436317, 4872634, 9745268, 19490536]

約数ペア:

[(1, 19490536), (2, 9745268), (4, 4872634), (8, 2436317), (13, 1499272), (26, 749636), (52, 374818), (104, 187409)]