19716660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109537}}^1$

素因数の和:109552

約数の個数: 36

約数和(自身を含む): 59807748

約数和(自身を除く): 40091088

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109537, 219074, 328611, 438148, 547685, 657222, 985833, 1095370, 1314444, 1643055, 1971666, 2190740, 3286110, 3943332, 4929165, 6572220, 9858330, 19716660]

約数ペア:

[(1, 19716660), (2, 9858330), (3, 6572220), (4, 4929165), (5, 3943332), (6, 3286110), (9, 2190740), (10, 1971666), (12, 1643055), (15, 1314444), (18, 1095370), (20, 985833), (30, 657222), (36, 547685), (45, 438148), (60, 328611), (90, 219074), (180, 109537)]