18239805

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17623}}^1$

素因数の和:17657

約数の個数: 24

約数和(自身を含む): 32992128

約数和(自身を除く): 14752323

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 17623, 52869, 88115, 158607, 264345, 405329, 793035, 1215987, 2026645, 3647961, 6079935, 18239805]

約数ペア:

[(1, 18239805), (3, 6079935), (5, 3647961), (9, 2026645), (15, 1215987), (23, 793035), (45, 405329), (69, 264345), (115, 158607), (207, 88115), (345, 52869), (1035, 17623)]