18489856

素因数分解:

$2^9\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:110

約数の個数: 120

約数和(自身を含む): 47581776

約数和(自身を除く): 29091920

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 67, 77, 88, 98, 112, 128, 134, 154, 176, 196, 224, 256, 268, 308, 352, 392, 448, 469, 512, 536, 539, 616, 704, 737, 784, 896, 938, 1072, 1078, 1232, 1408, 1474, 1568, 1792, 1876, 2144, 2156, 2464, 2816, 2948, 3136, 3283, 3584, 3752, 4288, 4312, 4928, 5159, 5632, 5896, 6272, 6566, 7504, 8576, 8624, 9856, 10318, 11792, 12544, 13132, 15008, 17152, 17248, 19712, 20636, 23584, 25088, 26264, 30016, 34304, 34496, 36113, 39424, 41272, 47168, 52528, 60032, 68992, 72226, 82544, 94336, 105056, 120064, 137984, 144452, 165088, 188672, 210112, 240128, 275968, 288904, 330176, 377344, 420224, 577808, 660352, 840448, 1155616, 1320704, 1680896, 2311232, 2641408, 4622464, 9244928, 18489856]

約数ペア:

[(1, 18489856), (2, 9244928), (4, 4622464), (7, 2641408), (8, 2311232), (11, 1680896), (14, 1320704), (16, 1155616), (22, 840448), (28, 660352), (32, 577808), (44, 420224), (49, 377344), (56, 330176), (64, 288904), (67, 275968), (77, 240128), (88, 210112), (98, 188672), (112, 165088), (128, 144452), (134, 137984), (154, 120064), (176, 105056), (196, 94336), (224, 82544), (256, 72226), (268, 68992), (308, 60032), (352, 52528), (392, 47168), (448, 41272), (469, 39424), (512, 36113), (536, 34496), (539, 34304), (616, 30016), (704, 26264), (737, 25088), (784, 23584), (896, 20636), (938, 19712), (1072, 17248), (1078, 17152), (1232, 15008), (1408, 13132), (1474, 12544), (1568, 11792), (1792, 10318), (1876, 9856), (2144, 8624), (2156, 8576), (2464, 7504), (2816, 6566), (2948, 6272), (3136, 5896), (3283, 5632), (3584, 5159), (3752, 4928), (4288, 4312)]