19693088571

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{455321}}^1$

素因数の和:456446

約数の個数: 16

約数和(自身を含む): 28302815520

約数和(自身を除く): 8609726949

約数列:

[1, 3, 13, 39, 1109, 3327, 14417, 43251, 455321, 1365963, 5919173, 17757519, 504950989, 1514852967, 6564362857, 19693088571]

約数ペア:

[(1, 19693088571), (3, 6564362857), (13, 1514852967), (39, 504950989), (1109, 17757519), (3327, 5919173), (14417, 1365963), (43251, 455321)]