18120179

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1693}}^1$

素因数の和:1850

約数の個数: 16

約数和(自身を含む): 22767360

約数和(自身を除く): 4647181

約数列:

[1, 7, 11, 77, 139, 973, 1529, 1693, 10703, 11851, 18623, 130361, 235327, 1647289, 2588597, 18120179]

約数ペア:

[(1, 18120179), (7, 2588597), (11, 1647289), (77, 235327), (139, 130361), (973, 18623), (1529, 11851), (1693, 10703)]