18210816

素因数分解:

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

素因数の和:64

約数の個数: 168

約数和(自身を含む): 59634120

約数和(自身を除く): 41423304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 64, 72, 76, 78, 96, 104, 114, 117, 128, 144, 152, 156, 171, 192, 208, 228, 234, 247, 256, 288, 304, 312, 342, 384, 416, 456, 468, 494, 512, 576, 608, 624, 684, 741, 768, 832, 912, 936, 988, 1024, 1152, 1216, 1248, 1368, 1482, 1536, 1664, 1824, 1872, 1976, 2048, 2223, 2304, 2432, 2496, 2736, 2964, 3072, 3328, 3648, 3744, 3952, 4096, 4446, 4608, 4864, 4992, 5472, 5928, 6144, 6656, 7296, 7488, 7904, 8192, 8892, 9216, 9728, 9984, 10944, 11856, 12288, 13312, 14592, 14976, 15808, 17784, 18432, 19456, 19968, 21888, 23712, 24576, 26624, 29184, 29952, 31616, 35568, 36864, 38912, 39936, 43776, 47424, 53248, 58368, 59904, 63232, 71136, 73728, 77824, 79872, 87552, 94848, 106496, 116736, 119808, 126464, 142272, 155648, 159744, 175104, 189696, 233472, 239616, 252928, 284544, 319488, 350208, 379392, 466944, 479232, 505856, 569088, 700416, 758784, 958464, 1011712, 1138176, 1400832, 1517568, 2023424, 2276352, 3035136, 4552704, 6070272, 9105408, 18210816]

約数ペア:

[(1, 18210816), (2, 9105408), (3, 6070272), (4, 4552704), (6, 3035136), (8, 2276352), (9, 2023424), (12, 1517568), (13, 1400832), (16, 1138176), (18, 1011712), (19, 958464), (24, 758784), (26, 700416), (32, 569088), (36, 505856), (38, 479232), (39, 466944), (48, 379392), (52, 350208), (57, 319488), (64, 284544), (72, 252928), (76, 239616), (78, 233472), (96, 189696), (104, 175104), (114, 159744), (117, 155648), (128, 142272), (144, 126464), (152, 119808), (156, 116736), (171, 106496), (192, 94848), (208, 87552), (228, 79872), (234, 77824), (247, 73728), (256, 71136), (288, 63232), (304, 59904), (312, 58368), (342, 53248), (384, 47424), (416, 43776), (456, 39936), (468, 38912), (494, 36864), (512, 35568), (576, 31616), (608, 29952), (624, 29184), (684, 26624), (741, 24576), (768, 23712), (832, 21888), (912, 19968), (936, 19456), (988, 18432), (1024, 17784), (1152, 15808), (1216, 14976), (1248, 14592), (1368, 13312), (1482, 12288), (1536, 11856), (1664, 10944), (1824, 9984), (1872, 9728), (1976, 9216), (2048, 8892), (2223, 8192), (2304, 7904), (2432, 7488), (2496, 7296), (2736, 6656), (2964, 6144), (3072, 5928), (3328, 5472), (3648, 4992), (3744, 4864), (3952, 4608), (4096, 4446)]