18821088

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 63017136

約数和(自身を除く): 44196048

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 32, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 96, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 288, 312, 352, 396, 416, 429, 457, 468, 528, 572, 624, 792, 858, 914, 936, 1056, 1144, 1248, 1287, 1371, 1584, 1716, 1828, 1872, 2288, 2574, 2742, 3168, 3432, 3656, 3744, 4113, 4576, 5027, 5148, 5484, 5941, 6864, 7312, 8226, 10054, 10296, 10968, 11882, 13728, 14624, 15081, 16452, 17823, 20108, 20592, 21936, 23764, 30162, 32904, 35646, 40216, 41184, 43872, 45243, 47528, 53469, 60324, 65351, 65808, 71292, 80432, 90486, 95056, 106938, 120648, 130702, 131616, 142584, 160864, 180972, 190112, 196053, 213876, 241296, 261404, 285168, 361944, 392106, 427752, 482592, 522808, 570336, 588159, 723888, 784212, 855504, 1045616, 1176318, 1447776, 1568424, 1711008, 2091232, 2352636, 3136848, 4705272, 6273696, 9410544, 18821088]

約数ペア:

[(1, 18821088), (2, 9410544), (3, 6273696), (4, 4705272), (6, 3136848), (8, 2352636), (9, 2091232), (11, 1711008), (12, 1568424), (13, 1447776), (16, 1176318), (18, 1045616), (22, 855504), (24, 784212), (26, 723888), (32, 588159), (33, 570336), (36, 522808), (39, 482592), (44, 427752), (48, 392106), (52, 361944), (66, 285168), (72, 261404), (78, 241296), (88, 213876), (96, 196053), (99, 190112), (104, 180972), (117, 160864), (132, 142584), (143, 131616), (144, 130702), (156, 120648), (176, 106938), (198, 95056), (208, 90486), (234, 80432), (264, 71292), (286, 65808), (288, 65351), (312, 60324), (352, 53469), (396, 47528), (416, 45243), (429, 43872), (457, 41184), (468, 40216), (528, 35646), (572, 32904), (624, 30162), (792, 23764), (858, 21936), (914, 20592), (936, 20108), (1056, 17823), (1144, 16452), (1248, 15081), (1287, 14624), (1371, 13728), (1584, 11882), (1716, 10968), (1828, 10296), (1872, 10054), (2288, 8226), (2574, 7312), (2742, 6864), (3168, 5941), (3432, 5484), (3656, 5148), (3744, 5027), (4113, 4576)]