18754983

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2010

約数の個数: 28

約数和(自身を含む): 30297960

約数和(自身を除く): 11542977

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 1979, 3159, 5937, 9477, 17811, 25727, 53433, 77181, 160299, 231543, 480897, 694629, 1442691, 2083887, 6251661, 18754983]

約数ペア:

[(1, 18754983), (3, 6251661), (9, 2083887), (13, 1442691), (27, 694629), (39, 480897), (81, 231543), (117, 160299), (243, 77181), (351, 53433), (729, 25727), (1053, 17811), (1979, 9477), (3159, 5937)]