19827376

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5557}}^1$

素因数の和:5788

約数の個数: 20

約数和(自身を含む): 38594752

約数和(自身を除く): 18767376

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5557, 11114, 22228, 44456, 88912, 1239211, 2478422, 4956844, 9913688, 19827376]

約数ペア:

[(1, 19827376), (2, 9913688), (4, 4956844), (8, 2478422), (16, 1239211), (223, 88912), (446, 44456), (892, 22228), (1784, 11114), (3568, 5557)]