19942318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22109}}^1$

素因数の和:22163

約数の個数: 16

約数和(自身を含む): 33430320

約数和(自身を除く): 13488002

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22109, 44218, 243199, 486398, 906469, 1812938, 9971159, 19942318]

約数ペア:

[(1, 19942318), (2, 9971159), (11, 1812938), (22, 906469), (41, 486398), (82, 243199), (451, 44218), (902, 22109)]