18881576

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1747}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 40693440

約数和(自身を除く): 21811864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 1747, 2702, 3494, 5404, 6988, 10808, 12229, 13976, 24458, 48916, 97832, 337171, 674342, 1348684, 2360197, 2697368, 4720394, 9440788, 18881576]

約数ペア:

[(1, 18881576), (2, 9440788), (4, 4720394), (7, 2697368), (8, 2360197), (14, 1348684), (28, 674342), (56, 337171), (193, 97832), (386, 48916), (772, 24458), (1351, 13976), (1544, 12229), (1747, 10808), (2702, 6988), (3494, 5404)]