19761680

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{733}}^1$

素因数の和:1083

約数の個数: 40

約数和(自身を含む): 46145112

約数和(自身を除く): 26383432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 733, 1348, 1466, 1685, 2696, 2932, 3370, 3665, 5392, 5864, 6740, 7330, 11728, 13480, 14660, 26960, 29320, 58640, 247021, 494042, 988084, 1235105, 1976168, 2470210, 3952336, 4940420, 9880840, 19761680]

約数ペア:

[(1, 19761680), (2, 9880840), (4, 4940420), (5, 3952336), (8, 2470210), (10, 1976168), (16, 1235105), (20, 988084), (40, 494042), (80, 247021), (337, 58640), (674, 29320), (733, 26960), (1348, 14660), (1466, 13480), (1685, 11728), (2696, 7330), (2932, 6740), (3370, 5864), (3665, 5392)]