19913171

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{27241}}^1$

素因数の和:27301

約数の個数: 8

約数和(自身を含む): 21575664

約数和(自身を除く): 1662493

約数列:

[1, 17, 43, 731, 27241, 463097, 1171363, 19913171]

約数ペア:

[(1, 19913171), (17, 1171363), (43, 463097), (731, 27241)]