18896265104

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2120317}}^1$

素因数の和:2120882

約数の個数: 20

約数和(自身を含む): 36677260764

約数和(自身を除く): 17780995660

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 2120317, 4240634, 8481268, 16962536, 33925072, 1181016569, 2362033138, 4724066276, 9448132552, 18896265104]

約数ペア:

[(1, 18896265104), (2, 9448132552), (4, 4724066276), (8, 2362033138), (16, 1181016569), (557, 33925072), (1114, 16962536), (2228, 8481268), (4456, 4240634), (8912, 2120317)]