18705412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{425123}}^1$

素因数の和:425138

約数の個数: 12

約数和(自身を含む): 35710416

約数和(自身を除く): 17005004

約数列:

[1, 2, 4, 11, 22, 44, 425123, 850246, 1700492, 4676353, 9352706, 18705412]

約数ペア:

[(1, 18705412), (2, 9352706), (4, 4676353), (11, 1700492), (22, 850246), (44, 425123)]