19391481

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4517}}^1$

素因数の和:4582

約数の個数: 20

約数和(自身を含む): 29520612

約数和(自身を除く): 10129131

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4517, 13551, 40653, 121959, 239401, 365877, 718203, 2154609, 6463827, 19391481]

約数ペア:

[(1, 19391481), (3, 6463827), (9, 2154609), (27, 718203), (53, 365877), (81, 239401), (159, 121959), (477, 40653), (1431, 13551), (4293, 4517)]