19938457856

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{1567}}^1\times {\mathrm{2161}}^1$

素因数の和:3767

約数の個数: 72

約数和(自身を含む): 41575156224

約数和(自身を除く): 21636698368

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 1567, 2161, 2944, 3134, 4322, 5888, 6268, 8644, 12536, 17288, 25072, 34576, 36041, 49703, 50144, 69152, 72082, 99406, 100288, 138304, 144164, 198812, 200576, 276608, 288328, 397624, 401152, 553216, 576656, 795248, 1153312, 1590496, 2306624, 3180992, 3386287, 4613248, 6361984, 6772574, 9226496, 12723968, 13545148, 27090296, 54180592, 77884601, 108361184, 155769202, 216722368, 311538404, 433444736, 623076808, 866889472, 1246153616, 2492307232, 4984614464, 9969228928, 19938457856]

約数ペア:

[(1, 19938457856), (2, 9969228928), (4, 4984614464), (8, 2492307232), (16, 1246153616), (23, 866889472), (32, 623076808), (46, 433444736), (64, 311538404), (92, 216722368), (128, 155769202), (184, 108361184), (256, 77884601), (368, 54180592), (736, 27090296), (1472, 13545148), (1567, 12723968), (2161, 9226496), (2944, 6772574), (3134, 6361984), (4322, 4613248), (5888, 3386287), (6268, 3180992), (8644, 2306624), (12536, 1590496), (17288, 1153312), (25072, 795248), (34576, 576656), (36041, 553216), (49703, 401152), (50144, 397624), (69152, 288328), (72082, 276608), (99406, 200576), (100288, 198812), (138304, 144164)]