19866902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8941}}^1$

素因数の和:9055

約数の個数: 16

約数和(自身を含む): 32835024

約数和(自身を除く): 12968122

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 8941, 17882, 98351, 196702, 903041, 1806082, 9933451, 19866902]

約数ペア:

[(1, 19866902), (2, 9933451), (11, 1806082), (22, 903041), (101, 196702), (202, 98351), (1111, 17882), (2222, 8941)]