19470537

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{887}}^1$

素因数の和:1170

約数の個数: 20

約数和(自身を含む): 29225856

約数和(自身を除く): 9755319

約数列:

[1, 3, 9, 27, 81, 271, 813, 887, 2439, 2661, 7317, 7983, 21951, 23949, 71847, 240377, 721131, 2163393, 6490179, 19470537]

約数ペア:

[(1, 19470537), (3, 6490179), (9, 2163393), (27, 721131), (81, 240377), (271, 71847), (813, 23949), (887, 21951), (2439, 7983), (2661, 7317)]