18515672

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1567}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 39889920

約数和(自身を除く): 21374248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1567, 1688, 2954, 3134, 5908, 6268, 10969, 11816, 12536, 21938, 43876, 87752, 330637, 661274, 1322548, 2314459, 2645096, 4628918, 9257836, 18515672]

約数ペア:

[(1, 18515672), (2, 9257836), (4, 4628918), (7, 2645096), (8, 2314459), (14, 1322548), (28, 661274), (56, 330637), (211, 87752), (422, 43876), (844, 21938), (1477, 12536), (1567, 11816), (1688, 10969), (2954, 6268), (3134, 5908)]