19964924

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5443}}^1$

素因数の和:5585

約数の個数: 24

約数和(自身を含む): 40242048

約数和(自身を除く): 20277124

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5443, 10886, 21772, 38101, 76202, 152404, 713033, 1426066, 2852132, 4991231, 9982462, 19964924]

約数ペア:

[(1, 19964924), (2, 9982462), (4, 4991231), (7, 2852132), (14, 1426066), (28, 713033), (131, 152404), (262, 76202), (524, 38101), (917, 21772), (1834, 10886), (3668, 5443)]