18869556

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{42499}}^1$

素因数の和:42543

約数の個数: 24

約数和(自身を含む): 45220000

約数和(自身を除く): 26350444

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 42499, 84998, 127497, 169996, 254994, 509988, 1572463, 3144926, 4717389, 6289852, 9434778, 18869556]

約数ペア:

[(1, 18869556), (2, 9434778), (3, 6289852), (4, 4717389), (6, 3144926), (12, 1572463), (37, 509988), (74, 254994), (111, 169996), (148, 127497), (222, 84998), (444, 42499)]