18208449

素因数分解:

$3^3\times 7^2\times {\mathrm{13763}}^1$

素因数の和:13786

約数の個数: 24

約数和(自身を含む): 31381920

約数和(自身を除く): 13173471

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13763, 41289, 96341, 123867, 289023, 371601, 674387, 867069, 2023161, 2601207, 6069483, 18208449]

約数ペア:

[(1, 18208449), (3, 6069483), (7, 2601207), (9, 2023161), (21, 867069), (27, 674387), (49, 371601), (63, 289023), (147, 123867), (189, 96341), (441, 41289), (1323, 13763)]