18016999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 24837120

約数和(自身を除く): 6820121

約数列:

[1, 7, 11, 13, 41, 77, 91, 143, 287, 439, 451, 533, 1001, 3073, 3157, 3731, 4829, 5707, 5863, 17999, 33803, 39949, 41041, 62777, 125993, 197989, 233987, 439439, 1385923, 1637909, 2573857, 18016999]

約数ペア:

[(1, 18016999), (7, 2573857), (11, 1637909), (13, 1385923), (41, 439439), (77, 233987), (91, 197989), (143, 125993), (287, 62777), (439, 41041), (451, 39949), (533, 33803), (1001, 17999), (3073, 5863), (3157, 5707), (3731, 4829)]