19380231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2333}}^1$

素因数の和:2423

約数の個数: 24

約数和(自身を含む): 30584736

約数和(自身を除く): 11204505

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2333, 2769, 6999, 8307, 20997, 30329, 90987, 165643, 272961, 496929, 1490787, 2153359, 6460077, 19380231]

約数ペア:

[(1, 19380231), (3, 6460077), (9, 2153359), (13, 1490787), (39, 496929), (71, 272961), (117, 165643), (213, 90987), (639, 30329), (923, 20997), (2333, 8307), (2769, 6999)]