18863540721

素因数分解:

$3^2\times {\mathrm{15913}}^1\times {\mathrm{131713}}^1$

素因数の和:147632

約数の個数: 12

約数和(自身を含む): 27249255748

約数和(自身を除く): 8385715027

約数列:

[1, 3, 9, 15913, 47739, 131713, 143217, 395139, 1185417, 2095948969, 6287846907, 18863540721]

約数ペア:

[(1, 18863540721), (3, 6287846907), (9, 2095948969), (15913, 1185417), (47739, 395139), (131713, 143217)]