20189242546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{21997}}^1\times {\mathrm{41719}}^1$

素因数の和:63729

約数の個数: 16

約数和(自身を含む): 33039236160

約数和(自身を除く): 12849993614

約数列:

[1, 2, 11, 22, 21997, 41719, 43994, 83438, 241967, 458909, 483934, 917818, 917692843, 1835385686, 10094621273, 20189242546]

約数ペア:

[(1, 20189242546), (2, 10094621273), (11, 1835385686), (22, 917692843), (21997, 917818), (41719, 483934), (43994, 458909), (83438, 241967)]