19787616

素因数分解:

$2^5\times 3^2\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:684

約数の個数: 72

約数和(自身を含む): 56818944

約数和(自身を除く): 37031328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 127, 144, 254, 288, 381, 508, 541, 762, 1016, 1082, 1143, 1524, 1623, 2032, 2164, 2286, 3048, 3246, 4064, 4328, 4572, 4869, 6096, 6492, 8656, 9144, 9738, 12192, 12984, 17312, 18288, 19476, 25968, 36576, 38952, 51936, 68707, 77904, 137414, 155808, 206121, 274828, 412242, 549656, 618363, 824484, 1099312, 1236726, 1648968, 2198624, 2473452, 3297936, 4946904, 6595872, 9893808, 19787616]

約数ペア:

[(1, 19787616), (2, 9893808), (3, 6595872), (4, 4946904), (6, 3297936), (8, 2473452), (9, 2198624), (12, 1648968), (16, 1236726), (18, 1099312), (24, 824484), (32, 618363), (36, 549656), (48, 412242), (72, 274828), (96, 206121), (127, 155808), (144, 137414), (254, 77904), (288, 68707), (381, 51936), (508, 38952), (541, 36576), (762, 25968), (1016, 19476), (1082, 18288), (1143, 17312), (1524, 12984), (1623, 12192), (2032, 9738), (2164, 9144), (2286, 8656), (3048, 6492), (3246, 6096), (4064, 4869), (4328, 4572)]