17997859

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 20160000

約数和(自身を除く): 2162141

約数列:

[1, 11, 79, 139, 149, 869, 1529, 1639, 10981, 11771, 20711, 120791, 129481, 227821, 1636169, 17997859]

約数ペア:

[(1, 17997859), (11, 1636169), (79, 227821), (139, 129481), (149, 120791), (869, 20711), (1529, 11771), (1639, 10981)]