19942703

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 2701009

約数列:

[1, 11, 31, 233, 251, 341, 2563, 2761, 7223, 7781, 58483, 79453, 85591, 643313, 1812973, 19942703]

約数ペア:

[(1, 19942703), (11, 1812973), (31, 643313), (233, 85591), (251, 79453), (341, 58483), (2563, 7781), (2761, 7223)]