18118352

素因数分解:

$2^4\times 7^1\times {\mathrm{161771}}^1$

素因数の和:161786

約数の個数: 20

約数和(自身を含む): 40119456

約数和(自身を除く): 22001104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161771, 323542, 647084, 1132397, 1294168, 2264794, 2588336, 4529588, 9059176, 18118352]

約数ペア:

[(1, 18118352), (2, 9059176), (4, 4529588), (7, 2588336), (8, 2264794), (14, 1294168), (16, 1132397), (28, 647084), (56, 323542), (112, 161771)]