201718288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{663547}}^1$

素因数の和:663574

約数の個数: 20

約数和(自身を含む): 411399760

約数和(自身を除く): 209681472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 663547, 1327094, 2654188, 5308376, 10616752, 12607393, 25214786, 50429572, 100859144, 201718288]

約数ペア:

[(1, 201718288), (2, 100859144), (4, 50429572), (8, 25214786), (16, 12607393), (19, 10616752), (38, 5308376), (76, 2654188), (152, 1327094), (304, 663547)]