19492060220

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{754921}}^1$

素因数の和:756221

約数の個数: 24

約数和(自身を含む): 40965087408

約数和(自身を除く): 21473027188

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2582, 5164, 6455, 12910, 25820, 754921, 1509842, 3019684, 3774605, 7549210, 15098420, 974603011, 1949206022, 3898412044, 4873015055, 9746030110, 19492060220]

約数ペア:

[(1, 19492060220), (2, 9746030110), (4, 4873015055), (5, 3898412044), (10, 1949206022), (20, 974603011), (1291, 15098420), (2582, 7549210), (5164, 3774605), (6455, 3019684), (12910, 1509842), (25820, 754921)]