18934531

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{35129}}^1$

素因数の和:35154

約数の個数: 12

約数和(自身を含む): 24028920

約数和(自身を除く): 5094389

約数列:

[1, 7, 11, 49, 77, 539, 35129, 245903, 386419, 1721321, 2704933, 18934531]

約数ペア:

[(1, 18934531), (7, 2704933), (11, 1721321), (49, 386419), (77, 245903), (539, 35129)]