19549805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1861}}^1$

素因数の和:2068

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 6190483

約数列:

[1, 5, 11, 55, 191, 955, 1861, 2101, 9305, 10505, 20471, 102355, 355451, 1777255, 3909961, 19549805]

約数ペア:

[(1, 19549805), (5, 3909961), (11, 1777255), (55, 355451), (191, 102355), (955, 20471), (1861, 10505), (2101, 9305)]