18667880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 192

約数和(自身を含む): 57456000

約数和(自身を除く): 38788120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 29, 35, 38, 40, 44, 55, 56, 58, 70, 76, 77, 88, 95, 110, 116, 121, 133, 140, 145, 152, 154, 190, 203, 209, 220, 232, 242, 266, 280, 290, 308, 319, 380, 385, 406, 418, 440, 484, 532, 551, 580, 605, 616, 638, 665, 760, 770, 812, 836, 847, 968, 1015, 1045, 1064, 1102, 1160, 1210, 1276, 1330, 1463, 1540, 1595, 1624, 1672, 1694, 2030, 2090, 2204, 2233, 2299, 2420, 2552, 2660, 2755, 2926, 3080, 3190, 3388, 3509, 3857, 4060, 4180, 4235, 4408, 4466, 4598, 4840, 5320, 5510, 5852, 6061, 6380, 6776, 7018, 7315, 7714, 8120, 8360, 8470, 8932, 9196, 11020, 11165, 11495, 11704, 12122, 12760, 14036, 14630, 15428, 16093, 16940, 17545, 17864, 18392, 19285, 22040, 22330, 22990, 24244, 24563, 28072, 29260, 30305, 30856, 32186, 33880, 35090, 38570, 42427, 44660, 45980, 48488, 49126, 58520, 60610, 64372, 66671, 70180, 77140, 80465, 84854, 89320, 91960, 98252, 121220, 122815, 128744, 133342, 140360, 154280, 160930, 169708, 196504, 212135, 242440, 245630, 266684, 321860, 333355, 339416, 424270, 466697, 491260, 533368, 643720, 666710, 848540, 933394, 982520, 1333420, 1697080, 1866788, 2333485, 2666840, 3733576, 4666970, 9333940, 18667880]

約数ペア:

[(1, 18667880), (2, 9333940), (4, 4666970), (5, 3733576), (7, 2666840), (8, 2333485), (10, 1866788), (11, 1697080), (14, 1333420), (19, 982520), (20, 933394), (22, 848540), (28, 666710), (29, 643720), (35, 533368), (38, 491260), (40, 466697), (44, 424270), (55, 339416), (56, 333355), (58, 321860), (70, 266684), (76, 245630), (77, 242440), (88, 212135), (95, 196504), (110, 169708), (116, 160930), (121, 154280), (133, 140360), (140, 133342), (145, 128744), (152, 122815), (154, 121220), (190, 98252), (203, 91960), (209, 89320), (220, 84854), (232, 80465), (242, 77140), (266, 70180), (280, 66671), (290, 64372), (308, 60610), (319, 58520), (380, 49126), (385, 48488), (406, 45980), (418, 44660), (440, 42427), (484, 38570), (532, 35090), (551, 33880), (580, 32186), (605, 30856), (616, 30305), (638, 29260), (665, 28072), (760, 24563), (770, 24244), (812, 22990), (836, 22330), (847, 22040), (968, 19285), (1015, 18392), (1045, 17864), (1064, 17545), (1102, 16940), (1160, 16093), (1210, 15428), (1276, 14630), (1330, 14036), (1463, 12760), (1540, 12122), (1595, 11704), (1624, 11495), (1672, 11165), (1694, 11020), (2030, 9196), (2090, 8932), (2204, 8470), (2233, 8360), (2299, 8120), (2420, 7714), (2552, 7315), (2660, 7018), (2755, 6776), (2926, 6380), (3080, 6061), (3190, 5852), (3388, 5510), (3509, 5320), (3857, 4840), (4060, 4598), (4180, 4466), (4235, 4408)]