19504994

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 31806000

約数和(自身を除く): 12301006

約数列:

[1, 2, 29, 37, 58, 61, 74, 122, 149, 298, 1073, 1769, 2146, 2257, 3538, 4321, 4514, 5513, 8642, 9089, 11026, 18178, 65453, 130906, 159877, 263581, 319754, 336293, 527162, 672586, 9752497, 19504994]

約数ペア:

[(1, 19504994), (2, 9752497), (29, 672586), (37, 527162), (58, 336293), (61, 319754), (74, 263581), (122, 159877), (149, 130906), (298, 65453), (1073, 18178), (1769, 11026), (2146, 9089), (2257, 8642), (3538, 5513), (4321, 4514)]