18706688

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 50822016

約数和(自身を除く): 32115328

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 73, 77, 88, 91, 104, 112, 128, 143, 146, 154, 176, 182, 208, 224, 256, 286, 292, 308, 352, 364, 416, 448, 511, 572, 584, 616, 704, 728, 803, 832, 896, 949, 1001, 1022, 1144, 1168, 1232, 1408, 1456, 1606, 1664, 1792, 1898, 2002, 2044, 2288, 2336, 2464, 2816, 2912, 3212, 3328, 3796, 4004, 4088, 4576, 4672, 4928, 5621, 5824, 6424, 6643, 7592, 8008, 8176, 9152, 9344, 9856, 10439, 11242, 11648, 12848, 13286, 15184, 16016, 16352, 18304, 18688, 19712, 20878, 22484, 23296, 25696, 26572, 30368, 32032, 32704, 36608, 41756, 44968, 51392, 53144, 60736, 64064, 65408, 73073, 83512, 89936, 102784, 106288, 121472, 128128, 130816, 146146, 167024, 179872, 205568, 212576, 242944, 256256, 292292, 334048, 359744, 425152, 584584, 668096, 719488, 850304, 1169168, 1336192, 1438976, 1700608, 2338336, 2672384, 4676672, 9353344, 18706688]

約数ペア:

[(1, 18706688), (2, 9353344), (4, 4676672), (7, 2672384), (8, 2338336), (11, 1700608), (13, 1438976), (14, 1336192), (16, 1169168), (22, 850304), (26, 719488), (28, 668096), (32, 584584), (44, 425152), (52, 359744), (56, 334048), (64, 292292), (73, 256256), (77, 242944), (88, 212576), (91, 205568), (104, 179872), (112, 167024), (128, 146146), (143, 130816), (146, 128128), (154, 121472), (176, 106288), (182, 102784), (208, 89936), (224, 83512), (256, 73073), (286, 65408), (292, 64064), (308, 60736), (352, 53144), (364, 51392), (416, 44968), (448, 41756), (511, 36608), (572, 32704), (584, 32032), (616, 30368), (704, 26572), (728, 25696), (803, 23296), (832, 22484), (896, 20878), (949, 19712), (1001, 18688), (1022, 18304), (1144, 16352), (1168, 16016), (1232, 15184), (1408, 13286), (1456, 12848), (1606, 11648), (1664, 11242), (1792, 10439), (1898, 9856), (2002, 9344), (2044, 9152), (2288, 8176), (2336, 8008), (2464, 7592), (2816, 6643), (2912, 6424), (3212, 5824), (3328, 5621), (3796, 4928), (4004, 4672), (4088, 4576)]