19090647

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{1117}}^1$

素因数の和:1340

約数の個数: 20

約数和(自身を含む): 28678936

約数和(自身を除く): 9588289

約数列:

[1, 3, 9, 27, 81, 211, 633, 1117, 1899, 3351, 5697, 10053, 17091, 30159, 90477, 235687, 707061, 2121183, 6363549, 19090647]

約数ペア:

[(1, 19090647), (3, 6363549), (9, 2121183), (27, 707061), (81, 235687), (211, 90477), (633, 30159), (1117, 17091), (1899, 10053), (3351, 5697)]