19001995

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1602

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 5190005

約数列:

[1, 5, 19, 95, 139, 695, 1439, 2641, 7195, 13205, 27341, 136705, 200021, 1000105, 3800399, 19001995]

約数ペア:

[(1, 19001995), (5, 3800399), (19, 1000105), (95, 200021), (139, 136705), (695, 27341), (1439, 13205), (2641, 7195)]