19577180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139837}}^1$

素因数の和:139853

約数の個数: 24

約数和(自身を含む): 46985568

約数和(自身を除く): 27408388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139837, 279674, 559348, 699185, 978859, 1398370, 1957718, 2796740, 3915436, 4894295, 9788590, 19577180]

約数ペア:

[(1, 19577180), (2, 9788590), (4, 4894295), (5, 3915436), (7, 2796740), (10, 1957718), (14, 1398370), (20, 978859), (28, 699185), (35, 559348), (70, 279674), (140, 139837)]