19504790

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8161}}^1$

素因数の和:8407

約数の個数: 16

約数和(自身を含む): 35259840

約数和(自身を除く): 15755050

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 8161, 16322, 40805, 81610, 1950479, 3900958, 9752395, 19504790]

約数ペア:

[(1, 19504790), (2, 9752395), (5, 3900958), (10, 1950479), (239, 81610), (478, 40805), (1195, 16322), (2390, 8161)]