19341505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1543}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 24456960

約数和(自身を除く): 5115455

約数列:

[1, 5, 23, 109, 115, 545, 1543, 2507, 7715, 12535, 35489, 168187, 177445, 840935, 3868301, 19341505]

約数ペア:

[(1, 19341505), (5, 3868301), (23, 840935), (109, 177445), (115, 168187), (545, 35489), (1543, 12535), (2507, 7715)]