19217889

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{52081}}^1$

素因数の和:52128

約数の個数: 12

約数和(自身を含む): 28436772

約数和(自身を除く): 9218883

約数列:

[1, 3, 9, 41, 123, 369, 52081, 156243, 468729, 2135321, 6405963, 19217889]

約数ペア:

[(1, 19217889), (3, 6405963), (9, 2135321), (41, 468729), (123, 156243), (369, 52081)]