19667991

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{8753}}^1$

素因数の和:8870

約数の個数: 16

約数和(自身を含む): 30253824

約数和(自身を除く): 10585833

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 8753, 26259, 61271, 183813, 936571, 2809713, 6555997, 19667991]

約数ペア:

[(1, 19667991), (3, 6555997), (7, 2809713), (21, 936571), (107, 183813), (321, 61271), (749, 26259), (2247, 8753)]