18974111

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 21123648

約数和(自身を除く): 2149537

約数列:

[1, 13, 61, 71, 337, 793, 923, 4331, 4381, 20557, 23927, 56303, 267241, 311051, 1459547, 18974111]

約数ペア:

[(1, 18974111), (13, 1459547), (61, 311051), (71, 267241), (337, 56303), (793, 23927), (923, 20557), (4331, 4381)]