19116740

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1153}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 40228440

約数和(自身を除く): 21111700

約数列:

[1, 2, 4, 5, 10, 20, 829, 1153, 1658, 2306, 3316, 4145, 4612, 5765, 8290, 11530, 16580, 23060, 955837, 1911674, 3823348, 4779185, 9558370, 19116740]

約数ペア:

[(1, 19116740), (2, 9558370), (4, 4779185), (5, 3823348), (10, 1911674), (20, 955837), (829, 23060), (1153, 16580), (1658, 11530), (2306, 8290), (3316, 5765), (4145, 4612)]