18919665

素因数分解:

$3^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{709}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 32895720

約数和(自身を除く): 13976055

約数列:

[1, 3, 5, 9, 15, 45, 593, 709, 1779, 2127, 2965, 3545, 5337, 6381, 8895, 10635, 26685, 31905, 420437, 1261311, 2102185, 3783933, 6306555, 18919665]

約数ペア:

[(1, 18919665), (3, 6306555), (5, 3783933), (9, 2102185), (15, 1261311), (45, 420437), (593, 31905), (709, 26685), (1779, 10635), (2127, 8895), (2965, 6381), (3545, 5337)]