19383756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 55050240

約数和(自身を除く): 35666484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 79, 84, 92, 127, 138, 158, 161, 237, 254, 276, 316, 322, 381, 474, 483, 508, 553, 644, 762, 889, 948, 966, 1106, 1524, 1659, 1778, 1817, 1932, 2212, 2667, 2921, 3318, 3556, 3634, 5334, 5451, 5842, 6636, 7268, 8763, 10033, 10668, 10902, 11684, 12719, 17526, 20066, 20447, 21804, 25438, 30099, 35052, 38157, 40132, 40894, 50876, 60198, 61341, 70231, 76314, 81788, 120396, 122682, 140462, 152628, 210693, 230759, 245364, 280924, 421386, 461518, 692277, 842772, 923036, 1384554, 1615313, 2769108, 3230626, 4845939, 6461252, 9691878, 19383756]

約数ペア:

[(1, 19383756), (2, 9691878), (3, 6461252), (4, 4845939), (6, 3230626), (7, 2769108), (12, 1615313), (14, 1384554), (21, 923036), (23, 842772), (28, 692277), (42, 461518), (46, 421386), (69, 280924), (79, 245364), (84, 230759), (92, 210693), (127, 152628), (138, 140462), (158, 122682), (161, 120396), (237, 81788), (254, 76314), (276, 70231), (316, 61341), (322, 60198), (381, 50876), (474, 40894), (483, 40132), (508, 38157), (553, 35052), (644, 30099), (762, 25438), (889, 21804), (948, 20447), (966, 20066), (1106, 17526), (1524, 12719), (1659, 11684), (1778, 10902), (1817, 10668), (1932, 10033), (2212, 8763), (2667, 7268), (2921, 6636), (3318, 5842), (3556, 5451), (3634, 5334)]