19306342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1999}}^1$

素因数の和:2451

約数の個数: 16

約数和(自身を含む): 31680000

約数和(自身を除く): 12373658

約数列:

[1, 2, 11, 22, 439, 878, 1999, 3998, 4829, 9658, 21989, 43978, 877561, 1755122, 9653171, 19306342]

約数ペア:

[(1, 19306342), (2, 9653171), (11, 1755122), (22, 877561), (439, 43978), (878, 21989), (1999, 9658), (3998, 4829)]