19727463

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55259}}^1$

素因数の和:55286

約数の個数: 16

約数和(自身を含む): 31829760

約数和(自身を除く): 12102297

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55259, 165777, 386813, 939403, 1160439, 2818209, 6575821, 19727463]

約数ペア:

[(1, 19727463), (3, 6575821), (7, 2818209), (17, 1160439), (21, 939403), (51, 386813), (119, 165777), (357, 55259)]