18768276

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1245

約数の個数: 72

約数和(自身を含む): 52153920

約数和(自身を除く): 33385644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1193, 1311, 1748, 2386, 2622, 3579, 3933, 4772, 5244, 7158, 7866, 10737, 14316, 15732, 21474, 22667, 27439, 42948, 45334, 54878, 68001, 82317, 90668, 109756, 136002, 164634, 204003, 246951, 272004, 329268, 408006, 493902, 521341, 816012, 987804, 1042682, 1564023, 2085364, 3128046, 4692069, 6256092, 9384138, 18768276]

約数ペア:

[(1, 18768276), (2, 9384138), (3, 6256092), (4, 4692069), (6, 3128046), (9, 2085364), (12, 1564023), (18, 1042682), (19, 987804), (23, 816012), (36, 521341), (38, 493902), (46, 408006), (57, 329268), (69, 272004), (76, 246951), (92, 204003), (114, 164634), (138, 136002), (171, 109756), (207, 90668), (228, 82317), (276, 68001), (342, 54878), (414, 45334), (437, 42948), (684, 27439), (828, 22667), (874, 21474), (1193, 15732), (1311, 14316), (1748, 10737), (2386, 7866), (2622, 7158), (3579, 5244), (3933, 4772)]