19712473

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1613}}^1$

素因数の和:1736

約数の個数: 12

約数和(自身を含む): 21895524

約数和(自身を除く): 2183051

約数列:

[1, 11, 101, 121, 1111, 1613, 12221, 17743, 162913, 195173, 1792043, 19712473]

約数ペア:

[(1, 19712473), (11, 1792043), (101, 195173), (121, 162913), (1111, 17743), (1613, 12221)]