18690513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{7321}}^1$

素因数の和:7384

約数の個数: 16

約数和(自身を含む): 26710656

約数和(自身を除く): 8020143

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 7321, 21963, 168383, 270877, 505149, 812631, 6230171, 18690513]

約数ペア:

[(1, 18690513), (3, 6230171), (23, 812631), (37, 505149), (69, 270877), (111, 168383), (851, 21963), (2553, 7321)]