18693471

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1466

約数の個数: 16

約数和(自身を含む): 25699680

約数和(自身を除く): 7006209

約数列:

[1, 3, 53, 89, 159, 267, 1321, 3963, 4717, 14151, 70013, 117569, 210039, 352707, 6231157, 18693471]

約数ペア:

[(1, 18693471), (3, 6231157), (53, 352707), (89, 210039), (159, 117569), (267, 70013), (1321, 14151), (3963, 4717)]