17989456

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{2749}}^1$

素因数の和:3166

約数の個数: 20

約数和(自身を含む): 34952500

約数和(自身を除く): 16963044

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 2749, 3272, 5498, 6544, 10996, 21992, 43984, 1124341, 2248682, 4497364, 8994728, 17989456]

約数ペア:

[(1, 17989456), (2, 8994728), (4, 4497364), (8, 2248682), (16, 1124341), (409, 43984), (818, 21992), (1636, 10996), (2749, 6544), (3272, 5498)]