19993335

素因数分解:

$3^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1321}}^1$

素因数の和:2338

約数の個数: 16

約数和(自身を含む): 32045280

約数和(自身を除く): 12051945

約数列:

[1, 3, 5, 15, 1009, 1321, 3027, 3963, 5045, 6605, 15135, 19815, 1332889, 3998667, 6664445, 19993335]

約数ペア:

[(1, 19993335), (3, 6664445), (5, 3998667), (15, 1332889), (1009, 19815), (1321, 15135), (3027, 6605), (3963, 5045)]