18881667

素因数分解:

$3^4\times 7^1\times {\mathrm{33301}}^1$

素因数の和:33320

約数の個数: 20

約数和(自身を含む): 32236336

約数和(自身を除く): 13354669

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33301, 99903, 233107, 299709, 699321, 899127, 2097963, 2697381, 6293889, 18881667]

約数ペア:

[(1, 18881667), (3, 6293889), (7, 2697381), (9, 2097963), (21, 899127), (27, 699321), (63, 299709), (81, 233107), (189, 99903), (567, 33301)]