18157328

素因数分解:

$2^4\times 7^1\times {\mathrm{162119}}^1$

素因数の和:162134

約数の個数: 20

約数和(自身を含む): 40205760

約数和(自身を除く): 22048432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 162119, 324238, 648476, 1134833, 1296952, 2269666, 2593904, 4539332, 9078664, 18157328]

約数ペア:

[(1, 18157328), (2, 9078664), (4, 4539332), (7, 2593904), (8, 2269666), (14, 1296952), (16, 1134833), (28, 648476), (56, 324238), (112, 162119)]