19870756

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2731}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 37177056

約数和(自身を除く): 17306300

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 2731, 3638, 5462, 7276, 10924, 46427, 92854, 185708, 292217, 584434, 1168868, 4967689, 9935378, 19870756]

約数ペア:

[(1, 19870756), (2, 9935378), (4, 4967689), (17, 1168868), (34, 584434), (68, 292217), (107, 185708), (214, 92854), (428, 46427), (1819, 10924), (2731, 7276), (3638, 5462)]