18961485

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9227}}^1$

素因数の和:9372

約数の個数: 16

約数和(自身を含む): 30563136

約数和(自身を除く): 11601651

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 9227, 27681, 46135, 138405, 1264099, 3792297, 6320495, 18961485]

約数ペア:

[(1, 18961485), (3, 6320495), (5, 3792297), (15, 1264099), (137, 138405), (411, 46135), (685, 27681), (2055, 9227)]