19983286

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1$

素因数の和:1023

約数の個数: 16

約数和(自身を含む): 30617136

約数和(自身を除く): 10633850

約数列:

[1, 2, 67, 134, 197, 394, 757, 1514, 13199, 26398, 50719, 101438, 149129, 298258, 9991643, 19983286]

約数ペア:

[(1, 19983286), (2, 9991643), (67, 298258), (134, 149129), (197, 101438), (394, 50719), (757, 26398), (1514, 13199)]