19208961

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 29462400

約数和(自身を除く): 10253439

約数列:

[1, 3, 9, 27, 61, 107, 109, 183, 321, 327, 549, 963, 981, 1647, 2889, 2943, 6527, 6649, 11663, 19581, 19947, 34989, 58743, 59841, 104967, 176229, 179523, 314901, 711443, 2134329, 6402987, 19208961]

約数ペア:

[(1, 19208961), (3, 6402987), (9, 2134329), (27, 711443), (61, 314901), (107, 179523), (109, 176229), (183, 104967), (321, 59841), (327, 58743), (549, 34989), (963, 19947), (981, 19581), (1647, 11663), (2889, 6649), (2943, 6527)]