19760769

素因数分解:

$3^2\times 7^2\times {\mathrm{44809}}^1$

素因数の和:44829

約数の個数: 18

約数和(自身を含む): 33204210

約数和(自身を除く): 13443441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 44809, 134427, 313663, 403281, 940989, 2195641, 2822967, 6586923, 19760769]

約数ペア:

[(1, 19760769), (3, 6586923), (7, 2822967), (9, 2195641), (21, 940989), (49, 403281), (63, 313663), (147, 134427), (441, 44809)]