19722580

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2687}}^1$

素因数の和:3063

約数の個数: 24

約数和(自身を含む): 41545728

約数和(自身を除く): 21823148

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2687, 3670, 5374, 7340, 10748, 13435, 26870, 53740, 986129, 1972258, 3944516, 4930645, 9861290, 19722580]

約数ペア:

[(1, 19722580), (2, 9861290), (4, 4930645), (5, 3944516), (10, 1972258), (20, 986129), (367, 53740), (734, 26870), (1468, 13435), (1835, 10748), (2687, 7340), (3670, 5374)]