19493456

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{8893}}^1$

素因数の和:9038

約数の個数: 20

約数和(自身を含む): 38048532

約数和(自身を除く): 18555076

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 8893, 17786, 35572, 71144, 142288, 1218341, 2436682, 4873364, 9746728, 19493456]

約数ペア:

[(1, 19493456), (2, 9746728), (4, 4873364), (8, 2436682), (16, 1218341), (137, 142288), (274, 71144), (548, 35572), (1096, 17786), (2192, 8893)]