19161921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{839}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 26772480

約数和(自身を除く): 7610559

約数列:

[1, 3, 23, 69, 331, 839, 993, 2517, 7613, 19297, 22839, 57891, 277709, 833127, 6387307, 19161921]

約数ペア:

[(1, 19161921), (3, 6387307), (23, 833127), (69, 277709), (331, 57891), (839, 22839), (993, 19297), (2517, 7613)]