19693479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3389}}^1$

素因数の和:3554

約数の個数: 16

約数和(自身を含む): 28476000

約数和(自身を除く): 8782521

約数列:

[1, 3, 13, 39, 149, 447, 1937, 3389, 5811, 10167, 44057, 132171, 504961, 1514883, 6564493, 19693479]

約数ペア:

[(1, 19693479), (3, 6564493), (13, 1514883), (39, 504961), (149, 132171), (447, 44057), (1937, 10167), (3389, 5811)]