19785216

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1$

素因数の和:1203

約数の個数: 80

約数和(自身を含む): 57549888

約数和(自身を除く): 37764672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 512, 528, 704, 768, 1056, 1171, 1408, 1536, 2112, 2342, 2816, 3513, 4224, 4684, 5632, 7026, 8448, 9368, 12881, 14052, 16896, 18736, 25762, 28104, 37472, 38643, 51524, 56208, 74944, 77286, 103048, 112416, 149888, 154572, 206096, 224832, 299776, 309144, 412192, 449664, 599552, 618288, 824384, 899328, 1236576, 1648768, 1798656, 2473152, 3297536, 4946304, 6595072, 9892608, 19785216]

約数ペア:

[(1, 19785216), (2, 9892608), (3, 6595072), (4, 4946304), (6, 3297536), (8, 2473152), (11, 1798656), (12, 1648768), (16, 1236576), (22, 899328), (24, 824384), (32, 618288), (33, 599552), (44, 449664), (48, 412192), (64, 309144), (66, 299776), (88, 224832), (96, 206096), (128, 154572), (132, 149888), (176, 112416), (192, 103048), (256, 77286), (264, 74944), (352, 56208), (384, 51524), (512, 38643), (528, 37472), (704, 28104), (768, 25762), (1056, 18736), (1171, 16896), (1408, 14052), (1536, 12881), (2112, 9368), (2342, 8448), (2816, 7026), (3513, 5632), (4224, 4684)]