19565097215

素因数分解:

$5^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1\times {\mathrm{20981}}^1$

素因数の和:21850

約数の個数: 16

約数和(自身を含む): 23588132256

約数和(自身を除く): 4023035041

約数列:

[1, 5, 421, 443, 2105, 2215, 20981, 104905, 186503, 932515, 8833001, 9294583, 44165005, 46472915, 3913019443, 19565097215]

約数ペア:

[(1, 19565097215), (5, 3913019443), (421, 46472915), (443, 44165005), (2105, 9294583), (2215, 8833001), (20981, 932515), (104905, 186503)]