19247807

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 20735232

約数和(自身を除く): 1487425

約数列:

[1, 31, 37, 97, 173, 1147, 3007, 3589, 5363, 6401, 16781, 111259, 198431, 520211, 620897, 19247807]

約数ペア:

[(1, 19247807), (31, 620897), (37, 520211), (97, 198431), (173, 111259), (1147, 16781), (3007, 6401), (3589, 5363)]