19739790721

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1\times {\mathrm{50123}}^1$

素因数の和:50700

約数の個数: 16

約数和(自身を含む): 22789177344

約数和(自身を除く): 3049386623

約数列:

[1, 7, 127, 443, 889, 3101, 50123, 56261, 350861, 393827, 6365621, 22204489, 44559347, 155431423, 2819970103, 19739790721]

約数ペア:

[(1, 19739790721), (7, 2819970103), (127, 155431423), (443, 44559347), (889, 22204489), (3101, 6365621), (50123, 393827), (56261, 350861)]