18707906

素因数分解:

$2^1\times 7^3\times {\mathrm{27271}}^1$

素因数の和:27294

約数の個数: 16

約数和(自身を含む): 32726400

約数和(自身を除く): 14018494

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 27271, 54542, 190897, 381794, 1336279, 2672558, 9353953, 18707906]

約数ペア:

[(1, 18707906), (2, 9353953), (7, 2672558), (14, 1336279), (49, 381794), (98, 190897), (343, 54542), (686, 27271)]