18775449

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{821}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 34984320

約数和(自身を除く): 16208871

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 121, 189, 231, 297, 363, 693, 821, 847, 1089, 2079, 2463, 2541, 3267, 5747, 7389, 7623, 9031, 17241, 22167, 22869, 27093, 51723, 63217, 81279, 99341, 155169, 189651, 243837, 298023, 568953, 695387, 894069, 1706859, 2086161, 2682207, 6258483, 18775449]

約数ペア:

[(1, 18775449), (3, 6258483), (7, 2682207), (9, 2086161), (11, 1706859), (21, 894069), (27, 695387), (33, 568953), (63, 298023), (77, 243837), (99, 189651), (121, 155169), (189, 99341), (231, 81279), (297, 63217), (363, 51723), (693, 27093), (821, 22869), (847, 22167), (1089, 17241), (2079, 9031), (2463, 7623), (2541, 7389), (3267, 5747)]