18835886

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{769}}^1$

素因数の和:1139

約数の個数: 16

約数和(自身を含む): 29142960

約数和(自身を除く): 10307074

約数列:

[1, 2, 37, 74, 331, 662, 769, 1538, 12247, 24494, 28453, 56906, 254539, 509078, 9417943, 18835886]

約数ペア:

[(1, 18835886), (2, 9417943), (37, 509078), (74, 254539), (331, 56906), (662, 28453), (769, 24494), (1538, 12247)]