18218216

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{8861}}^1$

素因数の和:9124

約数の個数: 16

約数和(自身を含む): 34295940

約数和(自身を除く): 16077724

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 8861, 17722, 35444, 70888, 2277277, 4554554, 9109108, 18218216]

約数ペア:

[(1, 18218216), (2, 9109108), (4, 4554554), (8, 2277277), (257, 70888), (514, 35444), (1028, 17722), (2056, 8861)]