19866688

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7219}}^1$

素因数の和:7274

約数の個数: 28

約数和(自身を含む): 40345360

約数和(自身を除く): 20478672

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7219, 14438, 28876, 57752, 115504, 231008, 310417, 462016, 620834, 1241668, 2483336, 4966672, 9933344, 19866688]

約数ペア:

[(1, 19866688), (2, 9933344), (4, 4966672), (8, 2483336), (16, 1241668), (32, 620834), (43, 462016), (64, 310417), (86, 231008), (172, 115504), (344, 57752), (688, 28876), (1376, 14438), (2752, 7219)]