19271984

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11257}}^1$

素因数の和:11372

約数の個数: 20

約数和(自身を含む): 37691784

約数和(自身を除く): 18419800

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11257, 22514, 45028, 90056, 180112, 1204499, 2408998, 4817996, 9635992, 19271984]

約数ペア:

[(1, 19271984), (2, 9635992), (4, 4817996), (8, 2408998), (16, 1204499), (107, 180112), (214, 90056), (428, 45028), (856, 22514), (1712, 11257)]