18909906

素因数分解:

$2^1\times 3^1\times {\mathrm{691}}^1\times {\mathrm{4561}}^1$

素因数の和:5257

約数の個数: 16

約数和(自身を含む): 37882848

約数和(自身を除く): 18972942

約数列:

[1, 2, 3, 6, 691, 1382, 2073, 4146, 4561, 9122, 13683, 27366, 3151651, 6303302, 9454953, 18909906]

約数ペア:

[(1, 18909906), (2, 9454953), (3, 6303302), (6, 3151651), (691, 27366), (1382, 13683), (2073, 9122), (4146, 4561)]