19219298

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72253}}^1$

素因数の和:72281

約数の個数: 16

約数和(自身を含む): 34681920

約数和(自身を除く): 15462622

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72253, 144506, 505771, 1011542, 1372807, 2745614, 9609649, 19219298]

約数ペア:

[(1, 19219298), (2, 9609649), (7, 2745614), (14, 1372807), (19, 1011542), (38, 505771), (133, 144506), (266, 72253)]