19912318349

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{11863}}^1\times {\mathrm{21799}}^1$

素因数の和:33680

約数の個数: 16

約数和(自身を含む): 24828979200

約数和(自身を除く): 4916660851

約数列:

[1, 7, 11, 77, 11863, 21799, 83041, 130493, 152593, 239789, 913451, 1678523, 258601537, 1810210759, 2844616907, 19912318349]

約数ペア:

[(1, 19912318349), (7, 2844616907), (11, 1810210759), (77, 258601537), (11863, 1678523), (21799, 913451), (83041, 239789), (130493, 152593)]