19465076740

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2451521}}^1$

素因数の和:2451927

約数の個数: 24

約数和(自身を含む): 40979641752

約数和(自身を除く): 21514565012

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 2451521, 4903042, 9806084, 12257605, 24515210, 49030420, 973253837, 1946507674, 3893015348, 4866269185, 9732538370, 19465076740]

約数ペア:

[(1, 19465076740), (2, 9732538370), (4, 4866269185), (5, 3893015348), (10, 1946507674), (20, 973253837), (397, 49030420), (794, 24515210), (1588, 12257605), (1985, 9806084), (3970, 4903042), (7940, 2451521)]