19912314578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{773}}^1\times {\mathrm{990761}}^1$

素因数の和:991549

約数の個数: 16

約数和(自身を含む): 32207691096

約数和(自身を除く): 12295376518

約数列:

[1, 2, 13, 26, 773, 1546, 10049, 20098, 990761, 1981522, 12879893, 25759786, 765858253, 1531716506, 9956157289, 19912314578]

約数ペア:

[(1, 19912314578), (2, 9956157289), (13, 1531716506), (26, 765858253), (773, 25759786), (1546, 12879893), (10049, 1981522), (20098, 990761)]