19871104

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{1283}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 43546860

約数和(自身を除く): 23675756

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 352, 484, 704, 968, 1283, 1408, 1936, 2566, 3872, 5132, 7744, 10264, 14113, 15488, 20528, 28226, 41056, 56452, 82112, 112904, 155243, 164224, 225808, 310486, 451616, 620972, 903232, 1241944, 1806464, 2483888, 4967776, 9935552, 19871104]

約数ペア:

[(1, 19871104), (2, 9935552), (4, 4967776), (8, 2483888), (11, 1806464), (16, 1241944), (22, 903232), (32, 620972), (44, 451616), (64, 310486), (88, 225808), (121, 164224), (128, 155243), (176, 112904), (242, 82112), (352, 56452), (484, 41056), (704, 28226), (968, 20528), (1283, 15488), (1408, 14113), (1936, 10264), (2566, 7744), (3872, 5132)]