19989223012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{454300523}}^1$

素因数の和:454300538

約数の個数: 12

約数和(自身を含む): 38161244016

約数和(自身を除く): 18172021004

約数列:

[1, 2, 4, 11, 22, 44, 454300523, 908601046, 1817202092, 4997305753, 9994611506, 19989223012]

約数ペア:

[(1, 19989223012), (2, 9994611506), (4, 4997305753), (11, 1817202092), (22, 908601046), (44, 454300523)]