19687148

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29123}}^1$

素因数の和:29153

約数の個数: 18

約数和(自身を含む): 37307844

約数和(自身を除く): 17620696

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29123, 58246, 116492, 378599, 757198, 1514396, 4921787, 9843574, 19687148]

約数ペア:

[(1, 19687148), (2, 9843574), (4, 4921787), (13, 1514396), (26, 757198), (52, 378599), (169, 116492), (338, 58246), (676, 29123)]