19926418

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{2053}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 31352256

約数和(自身を除く): 11425838

約数列:

[1, 2, 23, 46, 211, 422, 2053, 4106, 4853, 9706, 47219, 94438, 433183, 866366, 9963209, 19926418]

約数ペア:

[(1, 19926418), (2, 9963209), (23, 866366), (46, 433183), (211, 94438), (422, 47219), (2053, 9706), (4106, 4853)]