19200321

素因数分解:

$3^4\times 7^1\times {\mathrm{33863}}^1$

素因数の和:33882

約数の個数: 20

約数和(自身を含む): 32780352

約数和(自身を除く): 13580031

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33863, 101589, 237041, 304767, 711123, 914301, 2133369, 2742903, 6400107, 19200321]

約数ペア:

[(1, 19200321), (3, 6400107), (7, 2742903), (9, 2133369), (21, 914301), (27, 711123), (63, 304767), (81, 237041), (189, 101589), (567, 33863)]