18997837199

素因数分解:

${\mathrm{11}}^2\times {\mathrm{461}}^1\times {\mathrm{340579}}^1$

素因数の和:341062

約数の個数: 12

約数和(自身を含む): 20927278680

約数和(自身を除く): 1929441481

約数列:

[1, 11, 121, 461, 5071, 55781, 340579, 3746369, 41210059, 157006919, 1727076109, 18997837199]

約数ペア:

[(1, 18997837199), (11, 1727076109), (121, 157006919), (461, 41210059), (5071, 3746369), (55781, 340579)]