19301109

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1156

約数の個数: 16

約数和(自身を含む): 26528832

約数和(自身を除く): 7227723

約数列:

[1, 3, 43, 129, 157, 471, 953, 2859, 6751, 20253, 40979, 122937, 149621, 448863, 6433703, 19301109]

約数ペア:

[(1, 19301109), (3, 6433703), (43, 448863), (129, 149621), (157, 122937), (471, 40979), (953, 20253), (2859, 6751)]