2019421852

素因数分解:

$2^2\times 7^1\times {\mathrm{72122209}}^1$

素因数の和:72122220

約数の個数: 12

約数和(自身を含む): 4038843760

約数和(自身を除く): 2019421908

約数列:

[1, 2, 4, 7, 14, 28, 72122209, 144244418, 288488836, 504855463, 1009710926, 2019421852]

約数ペア:

[(1, 2019421852), (2, 1009710926), (4, 504855463), (7, 288488836), (14, 144244418), (28, 72122209)]