18817173

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 28035072

約数和(自身を除く): 9217899

約数列:

[1, 3, 9, 53, 103, 159, 309, 383, 477, 927, 1149, 3447, 5459, 16377, 20299, 39449, 49131, 60897, 118347, 182691, 355041, 2090797, 6272391, 18817173]

約数ペア:

[(1, 18817173), (3, 6272391), (9, 2090797), (53, 355041), (103, 182691), (159, 118347), (309, 60897), (383, 49131), (477, 39449), (927, 20299), (1149, 16377), (3447, 5459)]