18539728

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1753}}^1$

素因数の和:2422

約数の個数: 20

約数和(自身を含む): 35995588

約数和(自身を除く): 17455860

約数列:

[1, 2, 4, 8, 16, 661, 1322, 1753, 2644, 3506, 5288, 7012, 10576, 14024, 28048, 1158733, 2317466, 4634932, 9269864, 18539728]

約数ペア:

[(1, 18539728), (2, 9269864), (4, 4634932), (8, 2317466), (16, 1158733), (661, 28048), (1322, 14024), (1753, 10576), (2644, 7012), (3506, 5288)]