19220708

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28433}}^1$

素因数の和:28463

約数の個数: 18

約数和(自身を含む): 36423954

約数和(自身を除く): 17203246

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28433, 56866, 113732, 369629, 739258, 1478516, 4805177, 9610354, 19220708]

約数ペア:

[(1, 19220708), (2, 9610354), (4, 4805177), (13, 1478516), (26, 739258), (52, 369629), (169, 113732), (338, 56866), (676, 28433)]