19930779

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{22369}}^1$

素因数の和:22392

約数の個数: 20

約数和(自身を含む): 32481240

約数和(自身を除く): 12550461

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 22369, 67107, 201321, 246059, 603963, 738177, 1811889, 2214531, 6643593, 19930779]

約数ペア:

[(1, 19930779), (3, 6643593), (9, 2214531), (11, 1811889), (27, 738177), (33, 603963), (81, 246059), (99, 201321), (297, 67107), (891, 22369)]