18680856

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 48655200

約数和(自身を除く): 29974344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 109, 111, 148, 193, 218, 222, 296, 327, 386, 436, 444, 579, 654, 772, 872, 888, 1158, 1308, 1544, 2316, 2616, 4033, 4632, 7141, 8066, 12099, 14282, 16132, 21037, 21423, 24198, 28564, 32264, 42074, 42846, 48396, 57128, 63111, 84148, 85692, 96792, 126222, 168296, 171384, 252444, 504888, 778369, 1556738, 2335107, 3113476, 4670214, 6226952, 9340428, 18680856]

約数ペア:

[(1, 18680856), (2, 9340428), (3, 6226952), (4, 4670214), (6, 3113476), (8, 2335107), (12, 1556738), (24, 778369), (37, 504888), (74, 252444), (109, 171384), (111, 168296), (148, 126222), (193, 96792), (218, 85692), (222, 84148), (296, 63111), (327, 57128), (386, 48396), (436, 42846), (444, 42074), (579, 32264), (654, 28564), (772, 24198), (872, 21423), (888, 21037), (1158, 16132), (1308, 14282), (1544, 12099), (2316, 8066), (2616, 7141), (4033, 4632)]