19836465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5227}}^1$

素因数の和:5269

約数の個数: 32

約数和(自身を含む): 36135936

約数和(自身を除く): 16299471

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5227, 15681, 26135, 57497, 78405, 120221, 172491, 287485, 360663, 601105, 862455, 1322431, 1803315, 3967293, 6612155, 19836465]

約数ペア:

[(1, 19836465), (3, 6612155), (5, 3967293), (11, 1803315), (15, 1322431), (23, 862455), (33, 601105), (55, 360663), (69, 287485), (115, 172491), (165, 120221), (253, 78405), (345, 57497), (759, 26135), (1265, 15681), (3795, 5227)]