18408621

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79691}}^1$

素因数の和:79712

約数の個数: 16

約数和(自身を含む): 30601728

約数和(自身を除く): 12193107

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 79691, 239073, 557837, 876601, 1673511, 2629803, 6136207, 18408621]

約数ペア:

[(1, 18408621), (3, 6136207), (7, 2629803), (11, 1673511), (21, 876601), (33, 557837), (77, 239073), (231, 79691)]