19618317

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2441}}^1$

素因数の和:2513

約数の個数: 24

約数和(自身を含む): 30476160

約数和(自身を除く): 10857843

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2441, 2679, 7323, 8037, 21969, 46379, 114727, 139137, 344181, 417411, 1032543, 2179813, 6539439, 19618317]

約数ペア:

[(1, 19618317), (3, 6539439), (9, 2179813), (19, 1032543), (47, 417411), (57, 344181), (141, 139137), (171, 114727), (423, 46379), (893, 21969), (2441, 8037), (2679, 7323)]