19987700689

素因数分解:

${\mathrm{11}}^2\times {\mathrm{14669}}^1\times {\mathrm{11261}}^1$

素因数の和:25952

約数の個数: 12

約数和(自身を含む): 21973400820

約数和(自身を除く): 1985700131

約数列:

[1, 11, 121, 11261, 14669, 123871, 161359, 1362581, 1774949, 165187609, 1817063699, 19987700689]

約数ペア:

[(1, 19987700689), (11, 1817063699), (121, 165187609), (11261, 1774949), (14669, 1362581), (123871, 161359)]