19934505

素因数分解:

$3^7\times 5^1\times {\mathrm{1823}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 15961815

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1823, 2187, 3645, 5469, 9115, 10935, 16407, 27345, 49221, 82035, 147663, 246105, 442989, 738315, 1328967, 2214945, 3986901, 6644835, 19934505]

約数ペア:

[(1, 19934505), (3, 6644835), (5, 3986901), (9, 2214945), (15, 1328967), (27, 738315), (45, 442989), (81, 246105), (135, 147663), (243, 82035), (405, 49221), (729, 27345), (1215, 16407), (1823, 10935), (2187, 9115), (3645, 5469)]