13219906

素因数分解:

$2^1\times 7^4\times {\mathrm{2753}}^1$

素因数の和:2783

約数の個数: 20

約数和(自身を含む): 23141862

約数和(自身を除く): 9921956

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 2753, 4802, 5506, 19271, 38542, 134897, 269794, 944279, 1888558, 6609953, 13219906]

約数ペア:

[(1, 13219906), (2, 6609953), (7, 1888558), (14, 944279), (49, 269794), (98, 134897), (343, 38542), (686, 19271), (2401, 5506), (2753, 4802)]