19663755

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10007}}^1$

素因数の和:10146

約数の個数: 16

約数和(自身を含む): 31705344

約数和(自身を除く): 12041589

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10007, 30021, 50035, 150105, 1310917, 3932751, 6554585, 19663755]

約数ペア:

[(1, 19663755), (3, 6554585), (5, 3932751), (15, 1310917), (131, 150105), (393, 50035), (655, 30021), (1965, 10007)]