19799297

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3967}}^1$

素因数の和:4028

約数の個数: 16

約数和(自身を含む): 24379392

約数和(自身を除く): 4580095

約数列:

[1, 7, 23, 31, 161, 217, 713, 3967, 4991, 27769, 91241, 122977, 638687, 860839, 2828471, 19799297]

約数ペア:

[(1, 19799297), (7, 2828471), (23, 860839), (31, 638687), (161, 122977), (217, 91241), (713, 27769), (3967, 4991)]