18969984

素因数分解:

$2^7\times 3^3\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 61200000

約数和(自身を除く): 42230016

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 88, 96, 99, 108, 128, 132, 144, 176, 192, 198, 216, 264, 288, 297, 352, 384, 396, 432, 499, 528, 576, 594, 704, 792, 864, 998, 1056, 1152, 1188, 1408, 1497, 1584, 1728, 1996, 2112, 2376, 2994, 3168, 3456, 3992, 4224, 4491, 4752, 5489, 5988, 6336, 7984, 8982, 9504, 10978, 11976, 12672, 13473, 15968, 16467, 17964, 19008, 21956, 23952, 26946, 31936, 32934, 35928, 38016, 43912, 47904, 49401, 53892, 63872, 65868, 71856, 87824, 95808, 98802, 107784, 131736, 143712, 148203, 175648, 191616, 197604, 215568, 263472, 287424, 296406, 351296, 395208, 431136, 526944, 574848, 592812, 702592, 790416, 862272, 1053888, 1185624, 1580832, 1724544, 2107776, 2371248, 3161664, 4742496, 6323328, 9484992, 18969984]

約数ペア:

[(1, 18969984), (2, 9484992), (3, 6323328), (4, 4742496), (6, 3161664), (8, 2371248), (9, 2107776), (11, 1724544), (12, 1580832), (16, 1185624), (18, 1053888), (22, 862272), (24, 790416), (27, 702592), (32, 592812), (33, 574848), (36, 526944), (44, 431136), (48, 395208), (54, 351296), (64, 296406), (66, 287424), (72, 263472), (88, 215568), (96, 197604), (99, 191616), (108, 175648), (128, 148203), (132, 143712), (144, 131736), (176, 107784), (192, 98802), (198, 95808), (216, 87824), (264, 71856), (288, 65868), (297, 63872), (352, 53892), (384, 49401), (396, 47904), (432, 43912), (499, 38016), (528, 35928), (576, 32934), (594, 31936), (704, 26946), (792, 23952), (864, 21956), (998, 19008), (1056, 17964), (1152, 16467), (1188, 15968), (1408, 13473), (1497, 12672), (1584, 11976), (1728, 10978), (1996, 9504), (2112, 8982), (2376, 7984), (2994, 6336), (3168, 5988), (3456, 5489), (3992, 4752), (4224, 4491)]