19687287

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15017}}^1$

素因数の和:15062

約数の個数: 16

約数和(自身を含む): 28834560

約数和(自身を除く): 9147273

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 15017, 45051, 285323, 345391, 855969, 1036173, 6562429, 19687287]

約数ペア:

[(1, 19687287), (3, 6562429), (19, 1036173), (23, 855969), (57, 345391), (69, 285323), (437, 45051), (1311, 15017)]