17989180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81769}}^1$

素因数の和:81789

約数の個数: 24

約数和(自身を含む): 41212080

約数和(自身を除く): 23222900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81769, 163538, 327076, 408845, 817690, 899459, 1635380, 1798918, 3597836, 4497295, 8994590, 17989180]

約数ペア:

[(1, 17989180), (2, 8994590), (4, 4497295), (5, 3597836), (10, 1798918), (11, 1635380), (20, 899459), (22, 817690), (44, 408845), (55, 327076), (110, 163538), (220, 81769)]