18420519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{24859}}^1$

素因数の和:24894

約数の個数: 16

約数和(自身を含む): 27843200

約数和(自身を除く): 9422681

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 24859, 74577, 323167, 472321, 969501, 1416963, 6140173, 18420519]

約数ペア:

[(1, 18420519), (3, 6140173), (13, 1416963), (19, 969501), (39, 472321), (57, 323167), (247, 74577), (741, 24859)]