2019780921

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{1864987}}^1$

素因数の和:1865028

約数の個数: 12

約数和(自身を含む): 2842241712

約数和(自身を除く): 822460791

約数列:

[1, 3, 19, 57, 361, 1083, 1864987, 5594961, 35434753, 106304259, 673260307, 2019780921]

約数ペア:

[(1, 2019780921), (3, 673260307), (19, 106304259), (57, 35434753), (361, 5594961), (1083, 1864987)]