18279618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 25957182

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 127, 138, 149, 161, 254, 298, 322, 381, 447, 483, 762, 889, 894, 966, 1043, 1778, 2086, 2667, 2921, 3129, 3427, 5334, 5842, 6258, 6854, 8763, 10281, 17526, 18923, 20447, 20562, 23989, 37846, 40894, 47978, 56769, 61341, 71967, 113538, 122682, 132461, 143934, 264922, 397383, 435229, 794766, 870458, 1305687, 2611374, 3046603, 6093206, 9139809, 18279618]

約数ペア:

[(1, 18279618), (2, 9139809), (3, 6093206), (6, 3046603), (7, 2611374), (14, 1305687), (21, 870458), (23, 794766), (42, 435229), (46, 397383), (69, 264922), (127, 143934), (138, 132461), (149, 122682), (161, 113538), (254, 71967), (298, 61341), (322, 56769), (381, 47978), (447, 40894), (483, 37846), (762, 23989), (889, 20562), (894, 20447), (966, 18923), (1043, 17526), (1778, 10281), (2086, 8763), (2667, 6854), (2921, 6258), (3129, 5842), (3427, 5334)]