19680315

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9439}}^1$

素因数の和:9586

約数の個数: 16

約数和(自身を含む): 31718400

約数和(自身を除く): 12038085

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 9439, 28317, 47195, 141585, 1312021, 3936063, 6560105, 19680315]

約数ペア:

[(1, 19680315), (3, 6560105), (5, 3936063), (15, 1312021), (139, 141585), (417, 47195), (695, 28317), (2085, 9439)]