19873256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191089}}^1$

素因数の和:191108

約数の個数: 16

約数和(自身を含む): 40128900

約数和(自身を除く): 20255644

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191089, 382178, 764356, 1528712, 2484157, 4968314, 9936628, 19873256]

約数ペア:

[(1, 19873256), (2, 9936628), (4, 4968314), (8, 2484157), (13, 1528712), (26, 764356), (52, 382178), (104, 191089)]