18166205

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3361}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 23238144

約数和(自身を除く): 5071939

約数列:

[1, 5, 23, 47, 115, 235, 1081, 3361, 5405, 16805, 77303, 157967, 386515, 789835, 3633241, 18166205]

約数ペア:

[(1, 18166205), (5, 3633241), (23, 789835), (47, 386515), (115, 157967), (235, 77303), (1081, 16805), (3361, 5405)]