19934740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142391}}^1$

素因数の和:142407

約数の個数: 24

約数和(自身を含む): 47843712

約数和(自身を除く): 27908972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142391, 284782, 569564, 711955, 996737, 1423910, 1993474, 2847820, 3986948, 4983685, 9967370, 19934740]

約数ペア:

[(1, 19934740), (2, 9967370), (4, 4983685), (5, 3986948), (7, 2847820), (10, 1993474), (14, 1423910), (20, 996737), (28, 711955), (35, 569564), (70, 284782), (140, 142391)]