2019978987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{191123}}^1$

素因数の和:191410

約数の個数: 16

約数和(自身を含む): 2911200768

約数和(自身を除く): 891221781

約数列:

[1, 3, 13, 39, 271, 813, 3523, 10569, 191123, 573369, 2484599, 7453797, 51794333, 155382999, 673326329, 2019978987]

約数ペア:

[(1, 2019978987), (3, 673326329), (13, 155382999), (39, 51794333), (271, 7453797), (813, 2484599), (3523, 573369), (10569, 191123)]