19558329

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1409}}^1$

素因数の和:2080

約数の個数: 16

約数和(自身を含む): 29869440

約数和(自身を除く): 10311111

約数列:

[1, 3, 7, 21, 661, 1409, 1983, 4227, 4627, 9863, 13881, 29589, 931349, 2794047, 6519443, 19558329]

約数ペア:

[(1, 19558329), (3, 6519443), (7, 2794047), (21, 931349), (661, 29589), (1409, 13881), (1983, 9863), (4227, 4627)]