18990203904

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15493}}^1$

素因数の和:15545

約数の個数: 264

約数和(自身を含む): 65969733440

約数和(自身を除く): 46979529536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 64, 72, 76, 84, 96, 112, 114, 126, 128, 133, 144, 152, 168, 171, 192, 224, 228, 252, 256, 266, 288, 304, 336, 342, 384, 399, 448, 456, 504, 512, 532, 576, 608, 672, 684, 768, 798, 896, 912, 1008, 1024, 1064, 1152, 1197, 1216, 1344, 1368, 1536, 1596, 1792, 1824, 2016, 2128, 2304, 2394, 2432, 2688, 2736, 3072, 3192, 3584, 3648, 4032, 4256, 4608, 4788, 4864, 5376, 5472, 6384, 7168, 7296, 8064, 8512, 9216, 9576, 9728, 10752, 10944, 12768, 14592, 15493, 16128, 17024, 19152, 19456, 21504, 21888, 25536, 29184, 30986, 32256, 34048, 38304, 43776, 46479, 51072, 58368, 61972, 64512, 68096, 76608, 87552, 92958, 102144, 108451, 123944, 136192, 139437, 153216, 175104, 185916, 204288, 216902, 247888, 278874, 294367, 306432, 325353, 371832, 408576, 433804, 495776, 557748, 588734, 612864, 650706, 743664, 867608, 883101, 976059, 991552, 1115496, 1177468, 1225728, 1301412, 1487328, 1735216, 1766202, 1952118, 1983104, 2060569, 2230992, 2354936, 2602824, 2649303, 2974656, 3470432, 3532404, 3904236, 3966208, 4121138, 4461984, 4709872, 5205648, 5298606, 5949312, 6181707, 6940864, 7064808, 7808472, 7932416, 8242276, 8923968, 9419744, 10411296, 10597212, 11898624, 12363414, 13881728, 14129616, 15616944, 15864832, 16484552, 17847936, 18545121, 18839488, 20822592, 21194424, 23797248, 24726828, 27763456, 28259232, 31233888, 32969104, 35695872, 37090242, 37678976, 41645184, 42388848, 47594496, 49453656, 55526912, 56518464, 62467776, 65938208, 71391744, 74180484, 75357952, 83290368, 84777696, 98907312, 111053824, 113036928, 124935552, 131876416, 142783488, 148360968, 150715904, 166580736, 169555392, 197814624, 226073856, 249871104, 263752832, 296721936, 301431808, 333161472, 339110784, 395629248, 452147712, 499742208, 527505664, 593443872, 678221568, 791258496, 904295424, 999484416, 1055011328, 1186887744, 1356443136, 1582516992, 2110022656, 2373775488, 2712886272, 3165033984, 4747550976, 6330067968, 9495101952, 18990203904]

約数ペア:

[(1, 18990203904), (2, 9495101952), (3, 6330067968), (4, 4747550976), (6, 3165033984), (7, 2712886272), (8, 2373775488), (9, 2110022656), (12, 1582516992), (14, 1356443136), (16, 1186887744), (18, 1055011328), (19, 999484416), (21, 904295424), (24, 791258496), (28, 678221568), (32, 593443872), (36, 527505664), (38, 499742208), (42, 452147712), (48, 395629248), (56, 339110784), (57, 333161472), (63, 301431808), (64, 296721936), (72, 263752832), (76, 249871104), (84, 226073856), (96, 197814624), (112, 169555392), (114, 166580736), (126, 150715904), (128, 148360968), (133, 142783488), (144, 131876416), (152, 124935552), (168, 113036928), (171, 111053824), (192, 98907312), (224, 84777696), (228, 83290368), (252, 75357952), (256, 74180484), (266, 71391744), (288, 65938208), (304, 62467776), (336, 56518464), (342, 55526912), (384, 49453656), (399, 47594496), (448, 42388848), (456, 41645184), (504, 37678976), (512, 37090242), (532, 35695872), (576, 32969104), (608, 31233888), (672, 28259232), (684, 27763456), (768, 24726828), (798, 23797248), (896, 21194424), (912, 20822592), (1008, 18839488), (1024, 18545121), (1064, 17847936), (1152, 16484552), (1197, 15864832), (1216, 15616944), (1344, 14129616), (1368, 13881728), (1536, 12363414), (1596, 11898624), (1792, 10597212), (1824, 10411296), (2016, 9419744), (2128, 8923968), (2304, 8242276), (2394, 7932416), (2432, 7808472), (2688, 7064808), (2736, 6940864), (3072, 6181707), (3192, 5949312), (3584, 5298606), (3648, 5205648), (4032, 4709872), (4256, 4461984), (4608, 4121138), (4788, 3966208), (4864, 3904236), (5376, 3532404), (5472, 3470432), (6384, 2974656), (7168, 2649303), (7296, 2602824), (8064, 2354936), (8512, 2230992), (9216, 2060569), (9576, 1983104), (9728, 1952118), (10752, 1766202), (10944, 1735216), (12768, 1487328), (14592, 1301412), (15493, 1225728), (16128, 1177468), (17024, 1115496), (19152, 991552), (19456, 976059), (21504, 883101), (21888, 867608), (25536, 743664), (29184, 650706), (30986, 612864), (32256, 588734), (34048, 557748), (38304, 495776), (43776, 433804), (46479, 408576), (51072, 371832), (58368, 325353), (61972, 306432), (64512, 294367), (68096, 278874), (76608, 247888), (87552, 216902), (92958, 204288), (102144, 185916), (108451, 175104), (123944, 153216), (136192, 139437)]