18993335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 24235200

約数和(自身を除く): 5241865

約数列:

[1, 5, 17, 85, 439, 509, 2195, 2545, 7463, 8653, 37315, 43265, 223451, 1117255, 3798667, 18993335]

約数ペア:

[(1, 18993335), (5, 3798667), (17, 1117255), (85, 223451), (439, 43265), (509, 37315), (2195, 8653), (2545, 7463)]