19966166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1373}}^1$

素因数の和:2047

約数の個数: 16

約数和(自身を含む): 32745168

約数和(自身を除く): 12779002

約数列:

[1, 2, 11, 22, 661, 1322, 1373, 2746, 7271, 14542, 15103, 30206, 907553, 1815106, 9983083, 19966166]

約数ペア:

[(1, 19966166), (2, 9983083), (11, 1815106), (22, 907553), (661, 30206), (1322, 15103), (1373, 14542), (2746, 7271)]