19647250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 42831360

約数和(自身を除く): 23184110

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 103, 109, 125, 175, 206, 218, 250, 350, 515, 545, 721, 763, 875, 1030, 1090, 1442, 1526, 1750, 2575, 2725, 3605, 3815, 5150, 5450, 7210, 7630, 11227, 12875, 13625, 18025, 19075, 22454, 25750, 27250, 36050, 38150, 56135, 78589, 90125, 95375, 112270, 157178, 180250, 190750, 280675, 392945, 561350, 785890, 1403375, 1964725, 2806750, 3929450, 9823625, 19647250]

約数ペア:

[(1, 19647250), (2, 9823625), (5, 3929450), (7, 2806750), (10, 1964725), (14, 1403375), (25, 785890), (35, 561350), (50, 392945), (70, 280675), (103, 190750), (109, 180250), (125, 157178), (175, 112270), (206, 95375), (218, 90125), (250, 78589), (350, 56135), (515, 38150), (545, 36050), (721, 27250), (763, 25750), (875, 22454), (1030, 19075), (1090, 18025), (1442, 13625), (1526, 12875), (1750, 11227), (2575, 7630), (2725, 7210), (3605, 5450), (3815, 5150)]