17920991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{9001}}^1$

素因数の和:9193

約数の個数: 8

約数和(自身を含む): 19660368

約数和(自身を除く): 1739377

約数列:

[1, 11, 181, 1991, 9001, 99011, 1629181, 17920991]

約数ペア:

[(1, 17920991), (11, 1629181), (181, 99011), (1991, 9001)]