1991808

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:59

約数の個数: 192

約数和(自身を含む): 7425600

約数和(自身を除く): 5433792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 19, 21, 24, 26, 28, 32, 36, 38, 39, 42, 48, 52, 56, 57, 63, 64, 72, 76, 78, 84, 91, 96, 104, 112, 114, 117, 126, 128, 133, 144, 152, 156, 168, 171, 182, 192, 208, 224, 228, 234, 247, 252, 266, 273, 288, 304, 312, 336, 342, 364, 384, 399, 416, 448, 456, 468, 494, 504, 532, 546, 576, 608, 624, 672, 684, 728, 741, 798, 819, 832, 896, 912, 936, 988, 1008, 1064, 1092, 1152, 1197, 1216, 1248, 1344, 1368, 1456, 1482, 1596, 1638, 1664, 1729, 1824, 1872, 1976, 2016, 2128, 2184, 2223, 2394, 2432, 2496, 2688, 2736, 2912, 2964, 3192, 3276, 3458, 3648, 3744, 3952, 4032, 4256, 4368, 4446, 4788, 4992, 5187, 5472, 5824, 5928, 6384, 6552, 6916, 7296, 7488, 7904, 8064, 8512, 8736, 8892, 9576, 10374, 10944, 11648, 11856, 12768, 13104, 13832, 14976, 15561, 15808, 17024, 17472, 17784, 19152, 20748, 21888, 23712, 25536, 26208, 27664, 31122, 31616, 34944, 35568, 38304, 41496, 47424, 51072, 52416, 55328, 62244, 71136, 76608, 82992, 94848, 104832, 110656, 124488, 142272, 153216, 165984, 221312, 248976, 284544, 331968, 497952, 663936, 995904, 1991808]

約数ペア:

[(1, 1991808), (2, 995904), (3, 663936), (4, 497952), (6, 331968), (7, 284544), (8, 248976), (9, 221312), (12, 165984), (13, 153216), (14, 142272), (16, 124488), (18, 110656), (19, 104832), (21, 94848), (24, 82992), (26, 76608), (28, 71136), (32, 62244), (36, 55328), (38, 52416), (39, 51072), (42, 47424), (48, 41496), (52, 38304), (56, 35568), (57, 34944), (63, 31616), (64, 31122), (72, 27664), (76, 26208), (78, 25536), (84, 23712), (91, 21888), (96, 20748), (104, 19152), (112, 17784), (114, 17472), (117, 17024), (126, 15808), (128, 15561), (133, 14976), (144, 13832), (152, 13104), (156, 12768), (168, 11856), (171, 11648), (182, 10944), (192, 10374), (208, 9576), (224, 8892), (228, 8736), (234, 8512), (247, 8064), (252, 7904), (266, 7488), (273, 7296), (288, 6916), (304, 6552), (312, 6384), (336, 5928), (342, 5824), (364, 5472), (384, 5187), (399, 4992), (416, 4788), (448, 4446), (456, 4368), (468, 4256), (494, 4032), (504, 3952), (532, 3744), (546, 3648), (576, 3458), (608, 3276), (624, 3192), (672, 2964), (684, 2912), (728, 2736), (741, 2688), (798, 2496), (819, 2432), (832, 2394), (896, 2223), (912, 2184), (936, 2128), (988, 2016), (1008, 1976), (1064, 1872), (1092, 1824), (1152, 1729), (1197, 1664), (1216, 1638), (1248, 1596), (1344, 1482), (1368, 1456)]