18123896

素因数分解:

$2^3\times 7^1\times {\mathrm{323641}}^1$

素因数の和:323654

約数の個数: 16

約数和(自身を含む): 38837040

約数和(自身を除く): 20713144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 323641, 647282, 1294564, 2265487, 2589128, 4530974, 9061948, 18123896]

約数ペア:

[(1, 18123896), (2, 9061948), (4, 4530974), (7, 2589128), (8, 2265487), (14, 1294564), (28, 647282), (56, 323641)]