18697211

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 20901888

約数和(自身を除く): 2204677

約数列:

[1, 13, 47, 71, 431, 611, 923, 3337, 5603, 20257, 30601, 43381, 263341, 397813, 1438247, 18697211]

約数ペア:

[(1, 18697211), (13, 1438247), (47, 397813), (71, 263341), (431, 43381), (611, 30601), (923, 20257), (3337, 5603)]