19829579

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 26002944

約数和(自身を除く): 6173365

約数列:

[1, 7, 11, 43, 53, 77, 113, 301, 371, 473, 583, 791, 1243, 2279, 3311, 4081, 4859, 5989, 8701, 15953, 25069, 34013, 41923, 53449, 65879, 175483, 257527, 374143, 461153, 1802689, 2832797, 19829579]

約数ペア:

[(1, 19829579), (7, 2832797), (11, 1802689), (43, 461153), (53, 374143), (77, 257527), (113, 175483), (301, 65879), (371, 53449), (473, 41923), (583, 34013), (791, 25069), (1243, 15953), (2279, 8701), (3311, 5989), (4081, 4859)]