19985246

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1987}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 30917376

約数和(自身を除く): 10932130

約数列:

[1, 2, 47, 94, 107, 214, 1987, 3974, 5029, 10058, 93389, 186778, 212609, 425218, 9992623, 19985246]

約数ペア:

[(1, 19985246), (2, 9992623), (47, 425218), (94, 212609), (107, 186778), (214, 93389), (1987, 10058), (3974, 5029)]