19491368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{187417}}^1$

素因数の和:187436

約数の個数: 16

約数和(自身を含む): 39357780

約数和(自身を除く): 19866412

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 187417, 374834, 749668, 1499336, 2436421, 4872842, 9745684, 19491368]

約数ペア:

[(1, 19491368), (2, 9745684), (4, 4872842), (8, 2436421), (13, 1499336), (26, 749668), (52, 374834), (104, 187417)]