19628001

素因数分解:

$3^4\times {\mathrm{443}}^1\times {\mathrm{547}}^1$

素因数の和:1002

約数の個数: 20

約数和(自身を含む): 29440752

約数和(自身を除く): 9812751

約数列:

[1, 3, 9, 27, 81, 443, 547, 1329, 1641, 3987, 4923, 11961, 14769, 35883, 44307, 242321, 726963, 2180889, 6542667, 19628001]

約数ペア:

[(1, 19628001), (3, 6542667), (9, 2180889), (27, 726963), (81, 242321), (443, 44307), (547, 35883), (1329, 14769), (1641, 11961), (3987, 4923)]