18381411

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{883}}^1$

素因数の和:1152

約数の個数: 20

約数和(自身を含む): 27596712

約数和(自身を除く): 9215301

約数列:

[1, 3, 9, 27, 81, 257, 771, 883, 2313, 2649, 6939, 7947, 20817, 23841, 71523, 226931, 680793, 2042379, 6127137, 18381411]

約数ペア:

[(1, 18381411), (3, 6127137), (9, 2042379), (27, 680793), (81, 226931), (257, 71523), (771, 23841), (883, 20817), (2313, 7947), (2649, 6939)]