2019011989

素因数分解:

${\mathrm{31}}^2\times {\mathrm{1051}}^1\times {\mathrm{1999}}^1$

素因数の和:3112

約数の個数: 12

約数和(自身を含む): 2089272000

約数和(自身を除く): 70260011

約数列:

[1, 31, 961, 1051, 1999, 32581, 61969, 1010011, 1921039, 2100949, 65129419, 2019011989]

約数ペア:

[(1, 2019011989), (31, 65129419), (961, 2100949), (1051, 1921039), (1999, 1010011), (32581, 61969)]