9821860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25847}}^1$

素因数の和:25875

約数の個数: 24

約数和(自身を含む): 21712320

約数和(自身を除く): 11890460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 25847, 51694, 103388, 129235, 258470, 491093, 516940, 982186, 1964372, 2455465, 4910930, 9821860]

約数ペア:

[(1, 9821860), (2, 4910930), (4, 2455465), (5, 1964372), (10, 982186), (19, 516940), (20, 491093), (38, 258470), (76, 129235), (95, 103388), (190, 51694), (380, 25847)]