19726981

素因数分解:

${\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:360

約数の個数: 12

約数和(自身を含む): 20716992

約数和(自身を除く): 990011

約数列:

[1, 43, 47, 227, 1849, 2021, 9761, 10669, 86903, 419723, 458767, 19726981]

約数ペア:

[(1, 19726981), (43, 458767), (47, 419723), (227, 86903), (1849, 10669), (2021, 9761)]