19779166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6863}}^1$

素因数の和:7007

約数の個数: 16

約数和(自身を含む): 32617728

約数和(自身を除く): 12838562

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 6863, 13726, 75493, 150986, 899053, 1798106, 9889583, 19779166]

約数ペア:

[(1, 19779166), (2, 9889583), (11, 1798106), (22, 899053), (131, 150986), (262, 75493), (1441, 13726), (2882, 6863)]