42218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:133

約数の個数: 16

約数和(自身を含む): 73440

約数和(自身を除く): 31222

約数列:

[1, 2, 11, 19, 22, 38, 101, 202, 209, 418, 1111, 1919, 2222, 3838, 21109, 42218]

約数ペア:

[(1, 42218), (2, 21109), (11, 3838), (19, 2222), (22, 1919), (38, 1111), (101, 418), (202, 209)]