18883906216

素因数分解:

$2^3\times 7^1\times {\mathrm{1609}}^1\times {\mathrm{209579}}^1$

素因数の和:211201

約数の個数: 32

約数和(自身を含む): 40490856000

約数和(自身を除く): 21606949784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1609, 3218, 6436, 11263, 12872, 22526, 45052, 90104, 209579, 419158, 838316, 1467053, 1676632, 2934106, 5868212, 11736424, 337212611, 674425222, 1348850444, 2360488277, 2697700888, 4720976554, 9441953108, 18883906216]

約数ペア:

[(1, 18883906216), (2, 9441953108), (4, 4720976554), (7, 2697700888), (8, 2360488277), (14, 1348850444), (28, 674425222), (56, 337212611), (1609, 11736424), (3218, 5868212), (6436, 2934106), (11263, 1676632), (12872, 1467053), (22526, 838316), (45052, 419158), (90104, 209579)]