1812987904

素因数分解:

$2^{20}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 168

約数和(自身を含む): 4697618240

約数和(自身を除く): 2884630336

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 256, 266, 304, 364, 416, 448, 494, 512, 532, 608, 728, 832, 896, 988, 1024, 1064, 1216, 1456, 1664, 1729, 1792, 1976, 2048, 2128, 2432, 2912, 3328, 3458, 3584, 3952, 4096, 4256, 4864, 5824, 6656, 6916, 7168, 7904, 8192, 8512, 9728, 11648, 13312, 13832, 14336, 15808, 16384, 17024, 19456, 23296, 26624, 27664, 28672, 31616, 32768, 34048, 38912, 46592, 53248, 55328, 57344, 63232, 65536, 68096, 77824, 93184, 106496, 110656, 114688, 126464, 131072, 136192, 155648, 186368, 212992, 221312, 229376, 252928, 262144, 272384, 311296, 372736, 425984, 442624, 458752, 505856, 524288, 544768, 622592, 745472, 851968, 885248, 917504, 1011712, 1048576, 1089536, 1245184, 1490944, 1703936, 1770496, 1835008, 2023424, 2179072, 2490368, 2981888, 3407872, 3540992, 3670016, 4046848, 4358144, 4980736, 5963776, 6815744, 7081984, 7340032, 8093696, 8716288, 9961472, 11927552, 13631488, 14163968, 16187392, 17432576, 19922944, 23855104, 28327936, 32374784, 34865152, 47710208, 56655872, 64749568, 69730304, 95420416, 113311744, 129499136, 139460608, 226623488, 258998272, 453246976, 906493952, 1812987904]

約数ペア:

[(1, 1812987904), (2, 906493952), (4, 453246976), (7, 258998272), (8, 226623488), (13, 139460608), (14, 129499136), (16, 113311744), (19, 95420416), (26, 69730304), (28, 64749568), (32, 56655872), (38, 47710208), (52, 34865152), (56, 32374784), (64, 28327936), (76, 23855104), (91, 19922944), (104, 17432576), (112, 16187392), (128, 14163968), (133, 13631488), (152, 11927552), (182, 9961472), (208, 8716288), (224, 8093696), (247, 7340032), (256, 7081984), (266, 6815744), (304, 5963776), (364, 4980736), (416, 4358144), (448, 4046848), (494, 3670016), (512, 3540992), (532, 3407872), (608, 2981888), (728, 2490368), (832, 2179072), (896, 2023424), (988, 1835008), (1024, 1770496), (1064, 1703936), (1216, 1490944), (1456, 1245184), (1664, 1089536), (1729, 1048576), (1792, 1011712), (1976, 917504), (2048, 885248), (2128, 851968), (2432, 745472), (2912, 622592), (3328, 544768), (3458, 524288), (3584, 505856), (3952, 458752), (4096, 442624), (4256, 425984), (4864, 372736), (5824, 311296), (6656, 272384), (6916, 262144), (7168, 252928), (7904, 229376), (8192, 221312), (8512, 212992), (9728, 186368), (11648, 155648), (13312, 136192), (13832, 131072), (14336, 126464), (15808, 114688), (16384, 110656), (17024, 106496), (19456, 93184), (23296, 77824), (26624, 68096), (27664, 65536), (28672, 63232), (31616, 57344), (32768, 55328), (34048, 53248), (38912, 46592)]