18840752

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1129}}^1$

素因数の和:1293

約数の個数: 40

約数和(自身を含む): 42036000

約数和(自身を除く): 23195248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1129, 1192, 2086, 2258, 2384, 4172, 4516, 7903, 8344, 9032, 15806, 16688, 18064, 31612, 63224, 126448, 168221, 336442, 672884, 1177547, 1345768, 2355094, 2691536, 4710188, 9420376, 18840752]

約数ペア:

[(1, 18840752), (2, 9420376), (4, 4710188), (7, 2691536), (8, 2355094), (14, 1345768), (16, 1177547), (28, 672884), (56, 336442), (112, 168221), (149, 126448), (298, 63224), (596, 31612), (1043, 18064), (1129, 16688), (1192, 15806), (2086, 9032), (2258, 8344), (2384, 7903), (4172, 4516)]