19974250

素因数分解:

$2^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{733}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 37786320

約数和(自身を除く): 17812070

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 733, 1090, 1466, 2725, 3665, 5450, 7330, 13625, 18325, 27250, 36650, 79897, 91625, 159794, 183250, 399485, 798970, 1997425, 3994850, 9987125, 19974250]

約数ペア:

[(1, 19974250), (2, 9987125), (5, 3994850), (10, 1997425), (25, 798970), (50, 399485), (109, 183250), (125, 159794), (218, 91625), (250, 79897), (545, 36650), (733, 27250), (1090, 18325), (1466, 13625), (2725, 7330), (3665, 5450)]