19855293

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1033}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 27297600

約数和(自身を除く): 7442307

約数列:

[1, 3, 43, 129, 149, 447, 1033, 3099, 6407, 19221, 44419, 133257, 153917, 461751, 6618431, 19855293]

約数ペア:

[(1, 19855293), (3, 6618431), (43, 461751), (129, 153917), (149, 133257), (447, 44419), (1033, 19221), (3099, 6407)]