18696558832

素因数分解:

$2^4\times 7^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1\times {\mathrm{1861}}^1$

素因数の和:2478

約数の個数: 80

約数和(自身を含む): 41700219904

約数和(自身を除く): 23003661072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 271, 331, 542, 662, 1084, 1324, 1861, 1897, 2168, 2317, 2648, 3722, 3794, 4336, 4634, 5296, 7444, 7588, 9268, 13027, 14888, 15176, 18536, 26054, 29776, 30352, 37072, 52108, 89701, 104216, 179402, 208432, 358804, 504331, 615991, 627907, 717608, 1008662, 1231982, 1255814, 1435216, 2017324, 2463964, 2511628, 3530317, 4034648, 4311937, 4927928, 5023256, 7060634, 8069296, 8623874, 9855856, 10046512, 14121268, 17247748, 28242536, 34495496, 56485072, 68990992, 166933561, 333867122, 667734244, 1168534927, 1335468488, 2337069854, 2670936976, 4674139708, 9348279416, 18696558832]

約数ペア:

[(1, 18696558832), (2, 9348279416), (4, 4674139708), (7, 2670936976), (8, 2337069854), (14, 1335468488), (16, 1168534927), (28, 667734244), (56, 333867122), (112, 166933561), (271, 68990992), (331, 56485072), (542, 34495496), (662, 28242536), (1084, 17247748), (1324, 14121268), (1861, 10046512), (1897, 9855856), (2168, 8623874), (2317, 8069296), (2648, 7060634), (3722, 5023256), (3794, 4927928), (4336, 4311937), (4634, 4034648), (5296, 3530317), (7444, 2511628), (7588, 2463964), (9268, 2017324), (13027, 1435216), (14888, 1255814), (15176, 1231982), (18536, 1008662), (26054, 717608), (29776, 627907), (30352, 615991), (37072, 504331), (52108, 358804), (89701, 208432), (104216, 179402)]