19131678

素因数分解:

$2^1\times 3^2\times {\mathrm{1062871}}^1$

素因数の和:1062879

約数の個数: 12

約数和(自身を含む): 41452008

約数和(自身を除く): 22320330

約数列:

[1, 2, 3, 6, 9, 18, 1062871, 2125742, 3188613, 6377226, 9565839, 19131678]

約数ペア:

[(1, 19131678), (2, 9565839), (3, 6377226), (6, 3188613), (9, 2125742), (18, 1062871)]