19190241

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6481}}^1$

素因数の和:6541

約数の個数: 24

約数和(自身を含む): 32358144

約数和(自身を除く): 13167903

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6481, 19443, 45367, 58329, 136101, 304607, 408303, 913821, 2132249, 2741463, 6396747, 19190241]

約数ペア:

[(1, 19190241), (3, 6396747), (7, 2741463), (9, 2132249), (21, 913821), (47, 408303), (63, 304607), (141, 136101), (329, 58329), (423, 45367), (987, 19443), (2961, 6481)]