19042857

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{1009}}^1$

素因数の和:1254

約数の個数: 20

約数和(自身を含む): 28597140

約数和(自身を除く): 9554283

約数列:

[1, 3, 9, 27, 81, 233, 699, 1009, 2097, 3027, 6291, 9081, 18873, 27243, 81729, 235097, 705291, 2115873, 6347619, 19042857]

約数ペア:

[(1, 19042857), (3, 6347619), (9, 2115873), (27, 705291), (81, 235097), (233, 81729), (699, 27243), (1009, 18873), (2097, 9081), (3027, 6291)]