19808660

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{16787}}^1$

素因数の和:16855

約数の個数: 24

約数和(自身を含む): 42305760

約数和(自身を除く): 22497100

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 16787, 33574, 67148, 83935, 167870, 335740, 990433, 1980866, 3961732, 4952165, 9904330, 19808660]

約数ペア:

[(1, 19808660), (2, 9904330), (4, 4952165), (5, 3961732), (10, 1980866), (20, 990433), (59, 335740), (118, 167870), (236, 83935), (295, 67148), (590, 33574), (1180, 16787)]