19380357

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42223}}^1$

素因数の和:42249

約数の個数: 16

約数和(自身を含む): 30401280

約数和(自身を除く): 11020923

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42223, 126669, 380007, 717791, 1140021, 2153373, 6460119, 19380357]

約数ペア:

[(1, 19380357), (3, 6460119), (9, 2153373), (17, 1140021), (27, 717791), (51, 380007), (153, 126669), (459, 42223)]