2019421857

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{920849}}^1$

素因数の和:920912

約数の個数: 16

約数和(自身を含む): 2917252800

約数和(自身を除く): 897830943

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 920849, 2762547, 15654433, 39596507, 46963299, 118789521, 673140619, 2019421857]

約数ペア:

[(1, 2019421857), (3, 673140619), (17, 118789521), (43, 46963299), (51, 39596507), (129, 15654433), (731, 2762547), (2193, 920849)]