18975573

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{1093}}^1$

素因数の和:1745

約数の個数: 16

約数和(自身を含む): 28181440

約数和(自身を除く): 9205867

約数列:

[1, 3, 9, 27, 643, 1093, 1929, 3279, 5787, 9837, 17361, 29511, 702799, 2108397, 6325191, 18975573]

約数ペア:

[(1, 18975573), (3, 6325191), (9, 2108397), (27, 702799), (643, 29511), (1093, 17361), (1929, 9837), (3279, 5787)]