19054881

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 28439424

約数和(自身を除く): 9384543

約数列:

[1, 3, 9, 47, 107, 141, 321, 421, 423, 963, 1263, 3789, 5029, 15087, 19787, 45047, 45261, 59361, 135141, 178083, 405423, 2117209, 6351627, 19054881]

約数ペア:

[(1, 19054881), (3, 6351627), (9, 2117209), (47, 405423), (107, 178083), (141, 135141), (321, 59361), (421, 45261), (423, 45047), (963, 19787), (1263, 15087), (3789, 5029)]