2019986157

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{210481}}^1$

素因数の和:210948

約数の個数: 16

約数和(自身を含む): 3084824192

約数和(自身を除く): 1064838035

約数列:

[1, 3, 7, 21, 457, 1371, 3199, 9597, 210481, 631443, 1473367, 4420101, 96189817, 288569451, 673328719, 2019986157]

約数ペア:

[(1, 2019986157), (3, 673328719), (7, 288569451), (21, 96189817), (457, 4420101), (1371, 1473367), (3199, 631443), (9597, 210481)]