18390242

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{54409}}^1$

素因数の和:54437

約数の個数: 12

約数和(自身を含む): 29871090

約数和(自身を除く): 11480848

約数列:

[1, 2, 13, 26, 169, 338, 54409, 108818, 707317, 1414634, 9195121, 18390242]

約数ペア:

[(1, 18390242), (2, 9195121), (13, 1414634), (26, 707317), (169, 108818), (338, 54409)]