19986484

素因数分解:

$2^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1033}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 40069568

約数和(自身を除く): 20083084

約数列:

[1, 2, 4, 7, 14, 28, 691, 1033, 1382, 2066, 2764, 4132, 4837, 7231, 9674, 14462, 19348, 28924, 713803, 1427606, 2855212, 4996621, 9993242, 19986484]

約数ペア:

[(1, 19986484), (2, 9993242), (4, 4996621), (7, 2855212), (14, 1427606), (28, 713803), (691, 28924), (1033, 19348), (1382, 14462), (2066, 9674), (2764, 7231), (4132, 4837)]