19930288

素因数分解:

$2^4\times 7^1\times {\mathrm{177949}}^1$

素因数の和:177964

約数の個数: 20

約数和(自身を含む): 44131600

約数和(自身を除く): 24201312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177949, 355898, 711796, 1245643, 1423592, 2491286, 2847184, 4982572, 9965144, 19930288]

約数ペア:

[(1, 19930288), (2, 9965144), (4, 4982572), (7, 2847184), (8, 2491286), (14, 1423592), (16, 1245643), (28, 711796), (56, 355898), (112, 177949)]