18870370

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{51001}}^1$

素因数の和:51045

約数の個数: 16

約数和(自身を含む): 34885368

約数和(自身を除く): 16014998

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 51001, 102002, 255005, 510010, 1887037, 3774074, 9435185, 18870370]

約数ペア:

[(1, 18870370), (2, 9435185), (5, 3774074), (10, 1887037), (37, 510010), (74, 255005), (185, 102002), (370, 51001)]