2019907195

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1\times {\mathrm{20269}}^1$

素因数の和:21342

約数の個数: 16

約数和(自身を含む): 2554020000

約数和(自身を除く): 534112805

約数列:

[1, 5, 19, 95, 1049, 5245, 19931, 20269, 99655, 101345, 385111, 1925555, 21262181, 106310905, 403981439, 2019907195]

約数ペア:

[(1, 2019907195), (5, 403981439), (19, 106310905), (95, 21262181), (1049, 1925555), (5245, 385111), (19931, 101345), (20269, 99655)]