18995861

素因数分解:

${\mathrm{23}}^2\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:436

約数の個数: 12

約数和(自身を含む): 20073900

約数和(自身を除く): 1078039

約数列:

[1, 23, 149, 241, 529, 3427, 5543, 35909, 78821, 127489, 825907, 18995861]

約数ペア:

[(1, 18995861), (23, 825907), (149, 127489), (241, 78821), (529, 35909), (3427, 5543)]