19938759

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1409}}^1$

素因数の和:1554

約数の個数: 16

約数和(自身を含む): 27410400

約数和(自身を除く): 7471641

約数列:

[1, 3, 53, 89, 159, 267, 1409, 4227, 4717, 14151, 74677, 125401, 224031, 376203, 6646253, 19938759]

約数ペア:

[(1, 19938759), (3, 6646253), (53, 376203), (89, 224031), (159, 125401), (267, 74677), (1409, 14151), (4227, 4717)]