18674789

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 22780800

約数和(自身を除く): 4106011

約数列:

[1, 7, 17, 119, 139, 973, 1129, 2363, 7903, 16541, 19193, 134351, 156931, 1098517, 2667827, 18674789]

約数ペア:

[(1, 18674789), (7, 2667827), (17, 1098517), (119, 156931), (139, 134351), (973, 19193), (1129, 16541), (2363, 7903)]