19780992

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 71285760

約数和(自身を除く): 51504768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 64, 66, 72, 77, 84, 88, 96, 99, 112, 126, 128, 132, 144, 154, 168, 176, 192, 198, 223, 224, 231, 252, 264, 288, 308, 336, 352, 384, 396, 446, 448, 462, 504, 528, 576, 616, 669, 672, 693, 704, 792, 892, 896, 924, 1008, 1056, 1152, 1232, 1338, 1344, 1386, 1408, 1561, 1584, 1784, 1848, 2007, 2016, 2112, 2453, 2464, 2676, 2688, 2772, 3122, 3168, 3568, 3696, 4014, 4032, 4224, 4683, 4906, 4928, 5352, 5544, 6244, 6336, 7136, 7359, 7392, 8028, 8064, 9366, 9812, 9856, 10704, 11088, 12488, 12672, 14049, 14272, 14718, 14784, 16056, 17171, 18732, 19624, 21408, 22077, 22176, 24976, 28098, 28544, 29436, 29568, 32112, 34342, 37464, 39248, 42816, 44154, 44352, 49952, 51513, 56196, 58872, 64224, 68684, 74928, 78496, 85632, 88308, 88704, 99904, 103026, 112392, 117744, 128448, 137368, 149856, 154539, 156992, 176616, 199808, 206052, 224784, 235488, 256896, 274736, 299712, 309078, 313984, 353232, 412104, 449568, 470976, 549472, 599424, 618156, 706464, 824208, 899136, 941952, 1098944, 1236312, 1412928, 1648416, 1798272, 2197888, 2472624, 2825856, 3296832, 4945248, 6593664, 9890496, 19780992]

約数ペア:

[(1, 19780992), (2, 9890496), (3, 6593664), (4, 4945248), (6, 3296832), (7, 2825856), (8, 2472624), (9, 2197888), (11, 1798272), (12, 1648416), (14, 1412928), (16, 1236312), (18, 1098944), (21, 941952), (22, 899136), (24, 824208), (28, 706464), (32, 618156), (33, 599424), (36, 549472), (42, 470976), (44, 449568), (48, 412104), (56, 353232), (63, 313984), (64, 309078), (66, 299712), (72, 274736), (77, 256896), (84, 235488), (88, 224784), (96, 206052), (99, 199808), (112, 176616), (126, 156992), (128, 154539), (132, 149856), (144, 137368), (154, 128448), (168, 117744), (176, 112392), (192, 103026), (198, 99904), (223, 88704), (224, 88308), (231, 85632), (252, 78496), (264, 74928), (288, 68684), (308, 64224), (336, 58872), (352, 56196), (384, 51513), (396, 49952), (446, 44352), (448, 44154), (462, 42816), (504, 39248), (528, 37464), (576, 34342), (616, 32112), (669, 29568), (672, 29436), (693, 28544), (704, 28098), (792, 24976), (892, 22176), (896, 22077), (924, 21408), (1008, 19624), (1056, 18732), (1152, 17171), (1232, 16056), (1338, 14784), (1344, 14718), (1386, 14272), (1408, 14049), (1561, 12672), (1584, 12488), (1784, 11088), (1848, 10704), (2007, 9856), (2016, 9812), (2112, 9366), (2453, 8064), (2464, 8028), (2676, 7392), (2688, 7359), (2772, 7136), (3122, 6336), (3168, 6244), (3568, 5544), (3696, 5352), (4014, 4928), (4032, 4906), (4224, 4683)]