19337740

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1021}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 40691952

約数和(自身を除く): 21354212

約数列:

[1, 2, 4, 5, 10, 20, 947, 1021, 1894, 2042, 3788, 4084, 4735, 5105, 9470, 10210, 18940, 20420, 966887, 1933774, 3867548, 4834435, 9668870, 19337740]

約数ペア:

[(1, 19337740), (2, 9668870), (4, 4834435), (5, 3867548), (10, 1933774), (20, 966887), (947, 20420), (1021, 18940), (1894, 10210), (2042, 9470), (3788, 5105), (4084, 4735)]