18865588488

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{116437}}^1$

素因数の和:116646

約数の個数: 64

約数和(自身を含む): 48568618560

約数和(自身を除く): 29703030072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 157, 172, 258, 314, 344, 471, 516, 628, 942, 1032, 1256, 1884, 3768, 6751, 13502, 20253, 27004, 40506, 54008, 81012, 116437, 162024, 232874, 349311, 465748, 698622, 931496, 1397244, 2794488, 5006791, 10013582, 15020373, 18280609, 20027164, 30040746, 36561218, 40054328, 54841827, 60081492, 73122436, 109683654, 120162984, 146244872, 219367308, 438734616, 786066187, 1572132374, 2358198561, 3144264748, 4716397122, 6288529496, 9432794244, 18865588488]

約数ペア:

[(1, 18865588488), (2, 9432794244), (3, 6288529496), (4, 4716397122), (6, 3144264748), (8, 2358198561), (12, 1572132374), (24, 786066187), (43, 438734616), (86, 219367308), (129, 146244872), (157, 120162984), (172, 109683654), (258, 73122436), (314, 60081492), (344, 54841827), (471, 40054328), (516, 36561218), (628, 30040746), (942, 20027164), (1032, 18280609), (1256, 15020373), (1884, 10013582), (3768, 5006791), (6751, 2794488), (13502, 1397244), (20253, 931496), (27004, 698622), (40506, 465748), (54008, 349311), (81012, 232874), (116437, 162024)]