18635211

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2293}}^1$

素因数の和:2352

約数の個数: 32

約数和(自身を含む): 32299520

約数和(自身を除く): 13664309

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2293, 2709, 6879, 8127, 16051, 20637, 48153, 61911, 98599, 144459, 295797, 433377, 690193, 887391, 2070579, 2662173, 6211737, 18635211]

約数ペア:

[(1, 18635211), (3, 6211737), (7, 2662173), (9, 2070579), (21, 887391), (27, 690193), (43, 433377), (63, 295797), (129, 144459), (189, 98599), (301, 61911), (387, 48153), (903, 20637), (1161, 16051), (2293, 8127), (2709, 6879)]