19665411

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 26946048

約数和(自身を除く): 7280637

約数列:

[1, 3, 47, 141, 211, 633, 661, 1983, 9917, 29751, 31067, 93201, 139471, 418413, 6555137, 19665411]

約数ペア:

[(1, 19665411), (3, 6555137), (47, 418413), (141, 139471), (211, 93201), (633, 31067), (661, 29751), (1983, 9917)]