19289182

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8681}}^1$

素因数の和:8795

約数の個数: 16

約数和(自身を含む): 31880304

約数和(自身を除く): 12591122

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 8681, 17362, 95491, 190982, 876781, 1753562, 9644591, 19289182]

約数ペア:

[(1, 19289182), (2, 9644591), (11, 1753562), (22, 876781), (101, 190982), (202, 95491), (1111, 17362), (2222, 8681)]