19888078396

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{160387729}}^1$

素因数の和:160387764

約数の個数: 12

約数和(自身を含む): 35926851520

約数和(自身を除く): 16038773124

約数列:

[1, 2, 4, 31, 62, 124, 160387729, 320775458, 641550916, 4972019599, 9944039198, 19888078396]

約数ペア:

[(1, 19888078396), (2, 9944039198), (4, 4972019599), (31, 641550916), (62, 320775458), (124, 160387729)]