18813373475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{57887303}}^1$

素因数の和:57887326

約数の個数: 12

約数和(自身を含む): 25123089936

約数和(自身を除く): 6309716461

約数列:

[1, 5, 13, 25, 65, 325, 57887303, 289436515, 752534939, 1447182575, 3762674695, 18813373475]

約数ペア:

[(1, 18813373475), (5, 3762674695), (13, 1447182575), (25, 752534939), (65, 289436515), (325, 57887303)]