19991176

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{47149}}^1$

素因数の和:47208

約数の個数: 16

約数和(自身を含む): 38191500

約数和(自身を除く): 18200324

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 47149, 94298, 188596, 377192, 2498897, 4997794, 9995588, 19991176]

約数ペア:

[(1, 19991176), (2, 9995588), (4, 4997794), (8, 2498897), (53, 377192), (106, 188596), (212, 94298), (424, 47149)]