18833877

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1481}}^1$

素因数の和:1650

約数の個数: 20

約数和(自身を含む): 28332876

約数和(自身を除く): 9498999

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 1481, 4239, 4443, 12717, 13329, 39987, 119961, 232517, 697551, 2092653, 6277959, 18833877]

約数ペア:

[(1, 18833877), (3, 6277959), (9, 2092653), (27, 697551), (81, 232517), (157, 119961), (471, 39987), (1413, 13329), (1481, 12717), (4239, 4443)]