19632861

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{1487}}^1$

素因数の和:1662

約数の個数: 20

約数和(自身を含む): 29527872

約数和(自身を除く): 9895011

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 1487, 4401, 4461, 13203, 13383, 40149, 120447, 242381, 727143, 2181429, 6544287, 19632861]

約数ペア:

[(1, 19632861), (3, 6544287), (9, 2181429), (27, 727143), (81, 242381), (163, 120447), (489, 40149), (1467, 13383), (1487, 13203), (4401, 4461)]