17961485

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{2137}}^1$

素因数の和:2224

約数の個数: 12

約数和(自身を含む): 22102644

約数和(自身を除く): 4141159

約数列:

[1, 5, 41, 205, 1681, 2137, 8405, 10685, 87617, 438085, 3592297, 17961485]

約数ペア:

[(1, 17961485), (5, 3592297), (41, 438085), (205, 87617), (1681, 10685), (2137, 8405)]