19990247006

素因数分解:

$2^1\times {\mathrm{1543}}^1\times {\mathrm{6477721}}^1$

素因数の和:6479266

約数の個数: 8

約数和(自身を含む): 30004808304

約数和(自身を除く): 10014561298

約数列:

[1, 2, 1543, 3086, 6477721, 12955442, 9995123503, 19990247006]

約数ペア:

[(1, 19990247006), (2, 9995123503), (1543, 12955442), (3086, 6477721)]