19675768

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8171}}^1$

素因数の和:8227

約数の個数: 32

約数和(自身を含む): 43148160

約数和(自身を除く): 23472392

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8171, 16342, 32684, 57197, 65368, 114394, 228788, 351353, 457576, 702706, 1405412, 2459471, 2810824, 4918942, 9837884, 19675768]

約数ペア:

[(1, 19675768), (2, 9837884), (4, 4918942), (7, 2810824), (8, 2459471), (14, 1405412), (28, 702706), (43, 457576), (56, 351353), (86, 228788), (172, 114394), (301, 65368), (344, 57197), (602, 32684), (1204, 16342), (2408, 8171)]