19954495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8849}}^1$

素因数の和:8906

約数の個数: 16

約数和(自身を含む): 26762400

約数和(自身を除く): 6807905

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 8849, 44245, 97339, 362809, 486695, 1814045, 3990899, 19954495]

約数ペア:

[(1, 19954495), (5, 3990899), (11, 1814045), (41, 486695), (55, 362809), (205, 97339), (451, 44245), (2255, 8849)]