19288283

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2549}}^1$

素因数の和:2626

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 4212517

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2549, 7567, 17843, 58627, 119803, 410389, 838621, 2755469, 19288283]

約数ペア:

[(1, 19288283), (7, 2755469), (23, 838621), (47, 410389), (161, 119803), (329, 58627), (1081, 17843), (2549, 7567)]