19137640

素因数分解:

$2^3\times 5^1\times {\mathrm{478441}}^1$

素因数の和:478452

約数の個数: 16

約数和(自身を含む): 43059780

約数和(自身を除く): 23922140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 478441, 956882, 1913764, 2392205, 3827528, 4784410, 9568820, 19137640]

約数ペア:

[(1, 19137640), (2, 9568820), (4, 4784410), (5, 3827528), (8, 2392205), (10, 1913764), (20, 956882), (40, 478441)]