19397655

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1933}}^1$

素因数の和:2167

約数の個数: 24

約数和(自身を含む): 33790848

約数和(自身を除く): 14393193

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 1933, 2007, 3345, 5799, 9665, 10035, 17397, 28995, 86985, 431059, 1293177, 2155295, 3879531, 6465885, 19397655]

約数ペア:

[(1, 19397655), (3, 6465885), (5, 3879531), (9, 2155295), (15, 1293177), (45, 431059), (223, 86985), (669, 28995), (1115, 17397), (1933, 10035), (2007, 9665), (3345, 5799)]