19805184

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{307}}^1$

素因数の和:340

約数の個数: 132

約数和(自身を含む): 65569504

約数和(自身を除く): 45764320

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 307, 336, 384, 448, 504, 512, 576, 614, 672, 768, 896, 921, 1008, 1024, 1152, 1228, 1344, 1536, 1792, 1842, 2016, 2149, 2304, 2456, 2688, 2763, 3072, 3584, 3684, 4032, 4298, 4608, 4912, 5376, 5526, 6447, 7168, 7368, 8064, 8596, 9216, 9824, 10752, 11052, 12894, 14736, 16128, 17192, 19341, 19648, 21504, 22104, 25788, 29472, 32256, 34384, 38682, 39296, 44208, 51576, 58944, 64512, 68768, 77364, 78592, 88416, 103152, 117888, 137536, 154728, 157184, 176832, 206304, 235776, 275072, 309456, 314368, 353664, 412608, 471552, 550144, 618912, 707328, 825216, 943104, 1100288, 1237824, 1414656, 1650432, 2200576, 2475648, 2829312, 3300864, 4951296, 6601728, 9902592, 19805184]

約数ペア:

[(1, 19805184), (2, 9902592), (3, 6601728), (4, 4951296), (6, 3300864), (7, 2829312), (8, 2475648), (9, 2200576), (12, 1650432), (14, 1414656), (16, 1237824), (18, 1100288), (21, 943104), (24, 825216), (28, 707328), (32, 618912), (36, 550144), (42, 471552), (48, 412608), (56, 353664), (63, 314368), (64, 309456), (72, 275072), (84, 235776), (96, 206304), (112, 176832), (126, 157184), (128, 154728), (144, 137536), (168, 117888), (192, 103152), (224, 88416), (252, 78592), (256, 77364), (288, 68768), (307, 64512), (336, 58944), (384, 51576), (448, 44208), (504, 39296), (512, 38682), (576, 34384), (614, 32256), (672, 29472), (768, 25788), (896, 22104), (921, 21504), (1008, 19648), (1024, 19341), (1152, 17192), (1228, 16128), (1344, 14736), (1536, 12894), (1792, 11052), (1842, 10752), (2016, 9824), (2149, 9216), (2304, 8596), (2456, 8064), (2688, 7368), (2763, 7168), (3072, 6447), (3584, 5526), (3684, 5376), (4032, 4912), (4298, 4608)]