19005062085

素因数分解:

$3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{638933}}^1$

素因数の和:639605

約数の個数: 24

約数和(自身を含む): 32991996024

約数和(自身を除く): 13986933939

約数列:

[1, 3, 5, 9, 15, 45, 661, 1983, 3305, 5949, 9915, 29745, 638933, 1916799, 3194665, 5750397, 9583995, 28751985, 422334713, 1267004139, 2111673565, 3801012417, 6335020695, 19005062085]

約数ペア:

[(1, 19005062085), (3, 6335020695), (5, 3801012417), (9, 2111673565), (15, 1267004139), (45, 422334713), (661, 28751985), (1983, 9583995), (3305, 5750397), (5949, 3194665), (9915, 1916799), (29745, 638933)]