19201945

素因数分解:

$5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1049}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 26409600

約数和(自身を除く): 7207655

約数列:

[1, 5, 7, 35, 523, 1049, 2615, 3661, 5245, 7343, 18305, 36715, 548627, 2743135, 3840389, 19201945]

約数ペア:

[(1, 19201945), (5, 3840389), (7, 2743135), (35, 548627), (523, 36715), (1049, 18305), (2615, 7343), (3661, 5245)]