19447316

素因数分解:

$2^2\times 7^2\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:648

約数の個数: 36

約数和(自身を含む): 39840948

約数和(自身を除く): 20393632

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 313, 317, 626, 634, 1252, 1268, 2191, 2219, 4382, 4438, 8764, 8876, 15337, 15533, 30674, 31066, 61348, 62132, 99221, 198442, 396884, 694547, 1389094, 2778188, 4861829, 9723658, 19447316]

約数ペア:

[(1, 19447316), (2, 9723658), (4, 4861829), (7, 2778188), (14, 1389094), (28, 694547), (49, 396884), (98, 198442), (196, 99221), (313, 62132), (317, 61348), (626, 31066), (634, 30674), (1252, 15533), (1268, 15337), (2191, 8876), (2219, 8764), (4382, 4438)]