18716038

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{77339}}^1$

素因数の和:77363

約数の個数: 12

約数和(自身を含む): 30858660

約数和(自身を除く): 12142622

約数列:

[1, 2, 11, 22, 121, 242, 77339, 154678, 850729, 1701458, 9358019, 18716038]

約数ペア:

[(1, 18716038), (2, 9358019), (11, 1701458), (22, 850729), (121, 154678), (242, 77339)]