19971259

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{599}}^1$

素因数の和:1050

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 5027141

約数列:

[1, 7, 11, 77, 433, 599, 3031, 4193, 4763, 6589, 33341, 46123, 259367, 1815569, 2853037, 19971259]

約数ペア:

[(1, 19971259), (7, 2853037), (11, 1815569), (77, 259367), (433, 46123), (599, 33341), (3031, 6589), (4193, 4763)]