19888713

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56663}}^1$

素因数の和:56685

約数の個数: 16

約数和(自身を含む): 31731840

約数和(自身を除く): 11843127

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56663, 169989, 509967, 736619, 1529901, 2209857, 6629571, 19888713]

約数ペア:

[(1, 19888713), (3, 6629571), (9, 2209857), (13, 1529901), (27, 736619), (39, 509967), (117, 169989), (351, 56663)]