18916910

素因数分解:

$2^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3617}}^1$

素因数の和:4147

約数の個数: 16

約数和(自身を含む): 34124976

約数和(自身を除く): 15208066

約数列:

[1, 2, 5, 10, 523, 1046, 2615, 3617, 5230, 7234, 18085, 36170, 1891691, 3783382, 9458455, 18916910]

約数ペア:

[(1, 18916910), (2, 9458455), (5, 3783382), (10, 1891691), (523, 36170), (1046, 18085), (2615, 7234), (3617, 5230)]