19518003

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2637

約数の個数: 24

約数和(自身を含む): 30191616

約数和(自身を除く): 10673613

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 2591, 7533, 7773, 23319, 69957, 80321, 209871, 240963, 629613, 722889, 2168667, 6506001, 19518003]

約数ペア:

[(1, 19518003), (3, 6506001), (9, 2168667), (27, 722889), (31, 629613), (81, 240963), (93, 209871), (243, 80321), (279, 69957), (837, 23319), (2511, 7773), (2591, 7533)]