19459312

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{2477}}^1$

素因数の和:2976

約数の個数: 20

約数和(自身を含む): 37794456

約数和(自身を除く): 18335144

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 2477, 3928, 4954, 7856, 9908, 19816, 39632, 1216207, 2432414, 4864828, 9729656, 19459312]

約数ペア:

[(1, 19459312), (2, 9729656), (4, 4864828), (8, 2432414), (16, 1216207), (491, 39632), (982, 19816), (1964, 9908), (2477, 7856), (3928, 4954)]