19328113

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 22802560

約数和(自身を除く): 3474447

約数列:

[1, 7, 43, 157, 301, 409, 1099, 2863, 6751, 17587, 47257, 64213, 123109, 449491, 2761159, 19328113]

約数ペア:

[(1, 19328113), (7, 2761159), (43, 449491), (157, 123109), (301, 64213), (409, 47257), (1099, 17587), (2863, 6751)]