19216786

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:993

約数の個数: 16

約数和(自身を含む): 29620800

約数和(自身を除く): 10404014

約数列:

[1, 2, 43, 86, 439, 509, 878, 1018, 18877, 21887, 37754, 43774, 223451, 446902, 9608393, 19216786]

約数ペア:

[(1, 19216786), (2, 9608393), (43, 446902), (86, 223451), (439, 43774), (509, 37754), (878, 21887), (1018, 18877)]