19828016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95327}}^1$

素因数の和:95348

約数の個数: 20

約数和(自身を含む): 41372352

約数和(自身を除く): 21544336

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95327, 190654, 381308, 762616, 1239251, 1525232, 2478502, 4957004, 9914008, 19828016]

約数ペア:

[(1, 19828016), (2, 9914008), (4, 4957004), (8, 2478502), (13, 1525232), (16, 1239251), (26, 762616), (52, 381308), (104, 190654), (208, 95327)]