20190938

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:821

約数の個数: 16

約数和(自身を含む): 30811200

約数和(自身を除く): 10620262

約数列:

[1, 2, 97, 194, 199, 398, 523, 1046, 19303, 38606, 50731, 101462, 104077, 208154, 10095469, 20190938]

約数ペア:

[(1, 20190938), (2, 10095469), (97, 208154), (194, 104077), (199, 101462), (398, 50731), (523, 38606), (1046, 19303)]