19821979968

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641239}}^1$

素因数の和:641284

約数の個数: 112

約数和(自身を含む): 62543984640

約数和(自身を除く): 42722004672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 138, 161, 168, 184, 192, 224, 276, 322, 336, 368, 448, 483, 552, 644, 672, 736, 966, 1104, 1288, 1344, 1472, 1932, 2208, 2576, 3864, 4416, 5152, 7728, 10304, 15456, 30912, 641239, 1282478, 1923717, 2564956, 3847434, 4488673, 5129912, 7694868, 8977346, 10259824, 13466019, 14748497, 15389736, 17954692, 20519648, 26932038, 29496994, 30779472, 35909384, 41039296, 44245491, 53864076, 58993988, 61558944, 71818768, 88490982, 103239479, 107728152, 117987976, 123117888, 143637536, 176981964, 206478958, 215456304, 235975952, 287275072, 309718437, 353963928, 412957916, 430912608, 471951904, 619436874, 707927856, 825915832, 861825216, 943903808, 1238873748, 1415855712, 1651831664, 2477747496, 2831711424, 3303663328, 4955494992, 6607326656, 9910989984, 19821979968]

約数ペア:

[(1, 19821979968), (2, 9910989984), (3, 6607326656), (4, 4955494992), (6, 3303663328), (7, 2831711424), (8, 2477747496), (12, 1651831664), (14, 1415855712), (16, 1238873748), (21, 943903808), (23, 861825216), (24, 825915832), (28, 707927856), (32, 619436874), (42, 471951904), (46, 430912608), (48, 412957916), (56, 353963928), (64, 309718437), (69, 287275072), (84, 235975952), (92, 215456304), (96, 206478958), (112, 176981964), (138, 143637536), (161, 123117888), (168, 117987976), (184, 107728152), (192, 103239479), (224, 88490982), (276, 71818768), (322, 61558944), (336, 58993988), (368, 53864076), (448, 44245491), (483, 41039296), (552, 35909384), (644, 30779472), (672, 29496994), (736, 26932038), (966, 20519648), (1104, 17954692), (1288, 15389736), (1344, 14748497), (1472, 13466019), (1932, 10259824), (2208, 8977346), (2576, 7694868), (3864, 5129912), (4416, 4488673), (5152, 3847434), (7728, 2564956), (10304, 1923717), (15456, 1282478), (30912, 641239)]