2019928576

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{971}}^1$

素因数の和:1245

約数の個数: 80

約数和(自身を含む): 4295617920

約数和(自身を除く): 2275689344

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 239, 256, 272, 478, 512, 544, 956, 971, 1088, 1912, 1942, 2176, 3824, 3884, 4063, 4352, 7648, 7768, 8126, 8704, 15296, 15536, 16252, 16507, 30592, 31072, 32504, 33014, 61184, 62144, 65008, 66028, 122368, 124288, 130016, 132056, 232069, 248576, 260032, 264112, 464138, 497152, 520064, 528224, 928276, 1040128, 1056448, 1856552, 2080256, 2112896, 3713104, 3945173, 4225792, 7426208, 7890346, 8451584, 14852416, 15780692, 29704832, 31561384, 59409664, 63122768, 118819328, 126245536, 252491072, 504982144, 1009964288, 2019928576]

約数ペア:

[(1, 2019928576), (2, 1009964288), (4, 504982144), (8, 252491072), (16, 126245536), (17, 118819328), (32, 63122768), (34, 59409664), (64, 31561384), (68, 29704832), (128, 15780692), (136, 14852416), (239, 8451584), (256, 7890346), (272, 7426208), (478, 4225792), (512, 3945173), (544, 3713104), (956, 2112896), (971, 2080256), (1088, 1856552), (1912, 1056448), (1942, 1040128), (2176, 928276), (3824, 528224), (3884, 520064), (4063, 497152), (4352, 464138), (7648, 264112), (7768, 260032), (8126, 248576), (8704, 232069), (15296, 132056), (15536, 130016), (16252, 124288), (16507, 122368), (30592, 66028), (31072, 65008), (32504, 62144), (33014, 61184)]