18887260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134909}}^1$

素因数の和:134925

約数の個数: 24

約数和(自身を含む): 45329760

約数和(自身を除く): 26442500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134909, 269818, 539636, 674545, 944363, 1349090, 1888726, 2698180, 3777452, 4721815, 9443630, 18887260]

約数ペア:

[(1, 18887260), (2, 9443630), (4, 4721815), (5, 3777452), (7, 2698180), (10, 1888726), (14, 1349090), (20, 944363), (28, 674545), (35, 539636), (70, 269818), (140, 134909)]