19727157

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{769}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 8214603

約数列:

[1, 3, 17, 51, 503, 769, 1509, 2307, 8551, 13073, 25653, 39219, 386807, 1160421, 6575719, 19727157]

約数ペア:

[(1, 19727157), (3, 6575719), (17, 1160421), (51, 386807), (503, 39219), (769, 25653), (1509, 13073), (2307, 8551)]