18929288

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 42284880

約数和(自身を除く): 23355592

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1123, 1204, 2107, 2246, 2408, 4214, 4492, 7861, 8428, 8984, 15722, 16856, 31444, 48289, 55027, 62888, 96578, 110054, 193156, 220108, 338023, 386312, 440216, 676046, 1352092, 2366161, 2704184, 4732322, 9464644, 18929288]

約数ペア:

[(1, 18929288), (2, 9464644), (4, 4732322), (7, 2704184), (8, 2366161), (14, 1352092), (28, 676046), (43, 440216), (49, 386312), (56, 338023), (86, 220108), (98, 193156), (172, 110054), (196, 96578), (301, 62888), (344, 55027), (392, 48289), (602, 31444), (1123, 16856), (1204, 15722), (2107, 8984), (2246, 8428), (2408, 7861), (4214, 4492)]