18106820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6911}}^1$

素因数の和:7051

約数の個数: 24

約数和(自身を含む): 38320128

約数和(自身を除く): 20213308

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6911, 13822, 27644, 34555, 69110, 138220, 905341, 1810682, 3621364, 4526705, 9053410, 18106820]

約数ペア:

[(1, 18106820), (2, 9053410), (4, 4526705), (5, 3621364), (10, 1810682), (20, 905341), (131, 138220), (262, 69110), (524, 34555), (655, 27644), (1310, 13822), (2620, 6911)]