19749850

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{4759}}^1$

素因数の和:4854

約数の個数: 24

約数和(自身を含む): 37185120

約数和(自身を除く): 17435270

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 4759, 9518, 23795, 47590, 118975, 237950, 394997, 789994, 1974985, 3949970, 9874925, 19749850]

約数ペア:

[(1, 19749850), (2, 9874925), (5, 3949970), (10, 1974985), (25, 789994), (50, 394997), (83, 237950), (166, 118975), (415, 47590), (830, 23795), (2075, 9518), (4150, 4759)]