19992945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{190409}}^1$

素因数の和:190424

約数の個数: 16

約数和(自身を含む): 36558720

約数和(自身を除く): 16565775

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 190409, 571227, 952045, 1332863, 2856135, 3998589, 6664315, 19992945]

約数ペア:

[(1, 19992945), (3, 6664315), (5, 3998589), (7, 2856135), (15, 1332863), (21, 952045), (35, 571227), (105, 190409)]