18439623

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{9619}}^1$

素因数の和:9699

約数の個数: 16

約数和(自身を含む): 27705600

約数和(自身を除く): 9265977

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 9619, 28857, 86571, 259713, 682949, 2048847, 6146541, 18439623]

約数ペア:

[(1, 18439623), (3, 6146541), (9, 2048847), (27, 682949), (71, 259713), (213, 86571), (639, 28857), (1917, 9619)]