18242780

素因数分解:

$2^2\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1033}}^1$

素因数の和:1925

約数の個数: 24

約数和(自身を含む): 38390352

約数和(自身を除く): 20147572

約数列:

[1, 2, 4, 5, 10, 20, 883, 1033, 1766, 2066, 3532, 4132, 4415, 5165, 8830, 10330, 17660, 20660, 912139, 1824278, 3648556, 4560695, 9121390, 18242780]

約数ペア:

[(1, 18242780), (2, 9121390), (4, 4560695), (5, 3648556), (10, 1824278), (20, 912139), (883, 20660), (1033, 17660), (1766, 10330), (2066, 8830), (3532, 5165), (4132, 4415)]