19403744

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{5563}}^1$

素因数の和:5682

約数の個数: 24

約数和(自身を含む): 38558520

約数和(自身を除く): 19154776

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 436, 872, 1744, 3488, 5563, 11126, 22252, 44504, 89008, 178016, 606367, 1212734, 2425468, 4850936, 9701872, 19403744]

約数ペア:

[(1, 19403744), (2, 9701872), (4, 4850936), (8, 2425468), (16, 1212734), (32, 606367), (109, 178016), (218, 89008), (436, 44504), (872, 22252), (1744, 11126), (3488, 5563)]