19380745

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 24045120

約数和(自身を除く): 4664375

約数列:

[1, 5, 43, 109, 215, 545, 827, 4135, 4687, 23435, 35561, 90143, 177805, 450715, 3876149, 19380745]

約数ペア:

[(1, 19380745), (5, 3876149), (43, 450715), (109, 177805), (215, 90143), (545, 35561), (827, 23435), (4135, 4687)]