18535448576

素因数分解:

$2^{15}\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 38956101120

約数和(自身を除く): 20420652544

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 256, 257, 284, 496, 512, 514, 568, 992, 1024, 1028, 1136, 1984, 2048, 2056, 2201, 2272, 3968, 4096, 4112, 4402, 4544, 7936, 7967, 8192, 8224, 8804, 9088, 15872, 15934, 16384, 16448, 17608, 18176, 18247, 31744, 31868, 32768, 32896, 35216, 36352, 36494, 63488, 63736, 65792, 70432, 72704, 72988, 126976, 127472, 131584, 140864, 145408, 145976, 253952, 254944, 263168, 281728, 290816, 291952, 507904, 509888, 526336, 563456, 565657, 581632, 583904, 1015808, 1019776, 1052672, 1126912, 1131314, 1163264, 1167808, 2039552, 2105344, 2253824, 2262628, 2326528, 2335616, 4079104, 4210688, 4507648, 4525256, 4671232, 8158208, 8421376, 9015296, 9050512, 9342464, 16316416, 18030592, 18101024, 18684928, 32632832, 36061184, 36202048, 37369856, 65265664, 72122368, 72404096, 74739712, 130531328, 144808192, 149479424, 261062656, 289616384, 298958848, 579232768, 597917696, 1158465536, 2316931072, 4633862144, 9267724288, 18535448576]

約数ペア:

[(1, 18535448576), (2, 9267724288), (4, 4633862144), (8, 2316931072), (16, 1158465536), (31, 597917696), (32, 579232768), (62, 298958848), (64, 289616384), (71, 261062656), (124, 149479424), (128, 144808192), (142, 130531328), (248, 74739712), (256, 72404096), (257, 72122368), (284, 65265664), (496, 37369856), (512, 36202048), (514, 36061184), (568, 32632832), (992, 18684928), (1024, 18101024), (1028, 18030592), (1136, 16316416), (1984, 9342464), (2048, 9050512), (2056, 9015296), (2201, 8421376), (2272, 8158208), (3968, 4671232), (4096, 4525256), (4112, 4507648), (4402, 4210688), (4544, 4079104), (7936, 2335616), (7967, 2326528), (8192, 2262628), (8224, 2253824), (8804, 2105344), (9088, 2039552), (15872, 1167808), (15934, 1163264), (16384, 1131314), (16448, 1126912), (17608, 1052672), (18176, 1019776), (18247, 1015808), (31744, 583904), (31868, 581632), (32768, 565657), (32896, 563456), (35216, 526336), (36352, 509888), (36494, 507904), (63488, 291952), (63736, 290816), (65792, 281728), (70432, 263168), (72704, 254944), (72988, 253952), (126976, 145976), (127472, 145408), (131584, 140864)]