19789440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{937}}^1$

素因数の和:970

約数の個数: 128

約数和(自身を含む): 68886720

約数和(自身を除く): 49097280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 937, 960, 1056, 1320, 1408, 1760, 1874, 1920, 2112, 2640, 2811, 3520, 3748, 4224, 4685, 5280, 5622, 7040, 7496, 9370, 10307, 10560, 11244, 14055, 14992, 18740, 20614, 21120, 22488, 28110, 29984, 30921, 37480, 41228, 44976, 51535, 56220, 59968, 61842, 74960, 82456, 89952, 103070, 112440, 119936, 123684, 149920, 154605, 164912, 179904, 206140, 224880, 247368, 299840, 309210, 329824, 359808, 412280, 449760, 494736, 599680, 618420, 659648, 824560, 899520, 989472, 1236840, 1319296, 1649120, 1799040, 1978944, 2473680, 3298240, 3957888, 4947360, 6596480, 9894720, 19789440]

約数ペア:

[(1, 19789440), (2, 9894720), (3, 6596480), (4, 4947360), (5, 3957888), (6, 3298240), (8, 2473680), (10, 1978944), (11, 1799040), (12, 1649120), (15, 1319296), (16, 1236840), (20, 989472), (22, 899520), (24, 824560), (30, 659648), (32, 618420), (33, 599680), (40, 494736), (44, 449760), (48, 412280), (55, 359808), (60, 329824), (64, 309210), (66, 299840), (80, 247368), (88, 224880), (96, 206140), (110, 179904), (120, 164912), (128, 154605), (132, 149920), (160, 123684), (165, 119936), (176, 112440), (192, 103070), (220, 89952), (240, 82456), (264, 74960), (320, 61842), (330, 59968), (352, 56220), (384, 51535), (440, 44976), (480, 41228), (528, 37480), (640, 30921), (660, 29984), (704, 28110), (880, 22488), (937, 21120), (960, 20614), (1056, 18740), (1320, 14992), (1408, 14055), (1760, 11244), (1874, 10560), (1920, 10307), (2112, 9370), (2640, 7496), (2811, 7040), (3520, 5622), (3748, 5280), (4224, 4685)]