19204484

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28409}}^1$

素因数の和:28439

約数の個数: 18

約数和(自身を含む): 36393210

約数和(自身を除く): 17188726

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28409, 56818, 113636, 369317, 738634, 1477268, 4801121, 9602242, 19204484]

約数ペア:

[(1, 19204484), (2, 9602242), (4, 4801121), (13, 1477268), (26, 738634), (52, 369317), (169, 113636), (338, 56818), (676, 28409)]