19318660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12227}}^1$

素因数の和:12315

約数の個数: 24

約数和(自身を含む): 41086080

約数和(自身を除く): 21767420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12227, 24454, 48908, 61135, 122270, 244540, 965933, 1931866, 3863732, 4829665, 9659330, 19318660]

約数ペア:

[(1, 19318660), (2, 9659330), (4, 4829665), (5, 3863732), (10, 1931866), (20, 965933), (79, 244540), (158, 122270), (316, 61135), (395, 48908), (790, 24454), (1580, 12227)]