18944149

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 22450176

約数和(自身を除く): 3506027

約数列:

[1, 7, 47, 71, 329, 497, 811, 3337, 5677, 23359, 38117, 57581, 266819, 403067, 2706307, 18944149]

約数ペア:

[(1, 18944149), (7, 2706307), (47, 403067), (71, 266819), (329, 57581), (497, 38117), (811, 23359), (3337, 5677)]