18723870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18913}}^1$

素因数の和:18937

約数の個数: 48

約数和(自身を含む): 53110512

約数和(自身を除く): 34386642

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 18913, 37826, 56739, 94565, 113478, 170217, 189130, 208043, 283695, 340434, 416086, 567390, 624129, 851085, 1040215, 1248258, 1702170, 1872387, 2080430, 3120645, 3744774, 6241290, 9361935, 18723870]

約数ペア:

[(1, 18723870), (2, 9361935), (3, 6241290), (5, 3744774), (6, 3120645), (9, 2080430), (10, 1872387), (11, 1702170), (15, 1248258), (18, 1040215), (22, 851085), (30, 624129), (33, 567390), (45, 416086), (55, 340434), (66, 283695), (90, 208043), (99, 189130), (110, 170217), (165, 113478), (198, 94565), (330, 56739), (495, 37826), (990, 18913)]