18682660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54949}}^1$

素因数の和:54975

約数の個数: 24

約数和(自身を含む): 41542200

約数和(自身を除く): 22859540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54949, 109898, 219796, 274745, 549490, 934133, 1098980, 1868266, 3736532, 4670665, 9341330, 18682660]

約数ペア:

[(1, 18682660), (2, 9341330), (4, 4670665), (5, 3736532), (10, 1868266), (17, 1098980), (20, 934133), (34, 549490), (68, 274745), (85, 219796), (170, 109898), (340, 54949)]