19902864

素因数分解:

$2^4\times 3^1\times {\mathrm{414643}}^1$

素因数の和:414654

約数の個数: 20

約数和(自身を含む): 51415856

約数和(自身を除く): 31512992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 414643, 829286, 1243929, 1658572, 2487858, 3317144, 4975716, 6634288, 9951432, 19902864]

約数ペア:

[(1, 19902864), (2, 9951432), (3, 6634288), (4, 4975716), (6, 3317144), (8, 2487858), (12, 1658572), (16, 1243929), (24, 829286), (48, 414643)]