18163899

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{51749}}^1$

素因数の和:51771

約数の個数: 16

約数和(自身を含む): 28980000

約数和(自身を除く): 10816101

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 51749, 155247, 465741, 672737, 1397223, 2018211, 6054633, 18163899]

約数ペア:

[(1, 18163899), (3, 6054633), (9, 2018211), (13, 1397223), (27, 672737), (39, 465741), (117, 155247), (351, 51749)]