19723857

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{9857}}^1$

素因数の和:9912

約数の個数: 16

約数和(自身を含む): 28391040

約数和(自身を除く): 8667183

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 9857, 29571, 226711, 285853, 680133, 857559, 6574619, 19723857]

約数ペア:

[(1, 19723857), (3, 6574619), (23, 857559), (29, 680133), (69, 285853), (87, 226711), (667, 29571), (2001, 9857)]