18996201

素因数分解:

$3^4\times 7^1\times {\mathrm{33503}}^1$

素因数の和:33522

約数の個数: 20

約数和(自身を含む): 32431872

約数和(自身を除く): 13435671

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33503, 100509, 234521, 301527, 703563, 904581, 2110689, 2713743, 6332067, 18996201]

約数ペア:

[(1, 18996201), (3, 6332067), (7, 2713743), (9, 2110689), (21, 904581), (27, 703563), (63, 301527), (81, 234521), (189, 100509), (567, 33503)]