18315544

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 42163200

約数和(自身を除く): 23847656

約数列:

[1, 2, 4, 8, 13, 19, 23, 26, 31, 38, 46, 52, 62, 76, 92, 104, 124, 152, 169, 184, 247, 248, 299, 338, 403, 437, 494, 589, 598, 676, 713, 806, 874, 988, 1178, 1196, 1352, 1426, 1612, 1748, 1976, 2356, 2392, 2852, 3211, 3224, 3496, 3887, 4712, 5239, 5681, 5704, 6422, 7657, 7774, 9269, 10478, 11362, 12844, 13547, 15314, 15548, 18538, 20956, 22724, 25688, 27094, 30628, 31096, 37076, 41912, 45448, 54188, 61256, 73853, 74152, 99541, 108376, 120497, 147706, 176111, 199082, 240994, 295412, 352222, 398164, 481988, 590824, 704444, 796328, 963976, 1408888, 2289443, 4578886, 9157772, 18315544]

約数ペア:

[(1, 18315544), (2, 9157772), (4, 4578886), (8, 2289443), (13, 1408888), (19, 963976), (23, 796328), (26, 704444), (31, 590824), (38, 481988), (46, 398164), (52, 352222), (62, 295412), (76, 240994), (92, 199082), (104, 176111), (124, 147706), (152, 120497), (169, 108376), (184, 99541), (247, 74152), (248, 73853), (299, 61256), (338, 54188), (403, 45448), (437, 41912), (494, 37076), (589, 31096), (598, 30628), (676, 27094), (713, 25688), (806, 22724), (874, 20956), (988, 18538), (1178, 15548), (1196, 15314), (1352, 13547), (1426, 12844), (1612, 11362), (1748, 10478), (1976, 9269), (2356, 7774), (2392, 7657), (2852, 6422), (3211, 5704), (3224, 5681), (3496, 5239), (3887, 4712)]