2018358657

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{240883}}^1$

素因数の和:240922

約数の個数: 36

約数和(自身を含む): 3569900880

約数和(自身を除く): 1551542223

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 240883, 722649, 1686181, 2167947, 4576777, 5058543, 11803267, 13730331, 15175629, 32037439, 35409801, 41190993, 96112317, 106229403, 224262073, 288336951, 672786219, 2018358657]

約数ペア:

[(1, 2018358657), (3, 672786219), (7, 288336951), (9, 224262073), (19, 106229403), (21, 96112317), (49, 41190993), (57, 35409801), (63, 32037439), (133, 15175629), (147, 13730331), (171, 11803267), (399, 5058543), (441, 4576777), (931, 2167947), (1197, 1686181), (2793, 722649), (8379, 240883)]