18656291272

素因数分解:

$2^3\times {\mathrm{2131}}^1\times {\mathrm{1094339}}^1$

素因数の和:1096476

約数の個数: 16

約数和(自身を含む): 34996993200

約数和(自身を除く): 16340701928

約数列:

[1, 2, 4, 8, 2131, 4262, 8524, 17048, 1094339, 2188678, 4377356, 8754712, 2332036409, 4664072818, 9328145636, 18656291272]

約数ペア:

[(1, 18656291272), (2, 9328145636), (4, 4664072818), (8, 2332036409), (2131, 8754712), (4262, 4377356), (8524, 2188678), (17048, 1094339)]