18838904

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{953}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 40525920

約数和(自身を除く): 21687016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 953, 1412, 1906, 2471, 2824, 3812, 4942, 6671, 7624, 9884, 13342, 19768, 26684, 53368, 336409, 672818, 1345636, 2354863, 2691272, 4709726, 9419452, 18838904]

約数ペア:

[(1, 18838904), (2, 9419452), (4, 4709726), (7, 2691272), (8, 2354863), (14, 1345636), (28, 672818), (56, 336409), (353, 53368), (706, 26684), (953, 19768), (1412, 13342), (1906, 9884), (2471, 7624), (2824, 6671), (3812, 4942)]