18622107

素因数分解:

$3^2\times 7^2\times {\mathrm{42227}}^1$

素因数の和:42247

約数の個数: 18

約数和(自身を含む): 31290948

約数和(自身を除く): 12668841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 42227, 126681, 295589, 380043, 886767, 2069123, 2660301, 6207369, 18622107]

約数ペア:

[(1, 18622107), (3, 6207369), (7, 2660301), (9, 2069123), (21, 886767), (49, 380043), (63, 295589), (147, 126681), (441, 42227)]