19953544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191861}}^1$

素因数の和:191880

約数の個数: 16

約数和(自身を含む): 40291020

約数和(自身を除く): 20337476

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191861, 383722, 767444, 1534888, 2494193, 4988386, 9976772, 19953544]

約数ペア:

[(1, 19953544), (2, 9976772), (4, 4988386), (8, 2494193), (13, 1534888), (26, 767444), (52, 383722), (104, 191861)]