18826137

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 29802240

約数和(自身を除く): 10976103

約数列:

[1, 3, 9, 11, 33, 99, 397, 479, 1191, 1437, 3573, 4311, 4367, 5269, 13101, 15807, 39303, 47421, 190163, 570489, 1711467, 2091793, 6275379, 18826137]

約数ペア:

[(1, 18826137), (3, 6275379), (9, 2091793), (11, 1711467), (33, 570489), (99, 190163), (397, 47421), (479, 39303), (1191, 15807), (1437, 13101), (3573, 5269), (4311, 4367)]