19584740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139891}}^1$

素因数の和:139907

約数の個数: 24

約数和(自身を含む): 47003712

約数和(自身を除く): 27418972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139891, 279782, 559564, 699455, 979237, 1398910, 1958474, 2797820, 3916948, 4896185, 9792370, 19584740]

約数ペア:

[(1, 19584740), (2, 9792370), (4, 4896185), (5, 3916948), (7, 2797820), (10, 1958474), (14, 1398910), (20, 979237), (28, 699455), (35, 559564), (70, 279782), (140, 139891)]