19916224

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7237}}^1$

素因数の和:7292

約数の個数: 28

約数和(自身を含む): 40445944

約数和(自身を除く): 20529720

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7237, 14474, 28948, 57896, 115792, 231584, 311191, 463168, 622382, 1244764, 2489528, 4979056, 9958112, 19916224]

約数ペア:

[(1, 19916224), (2, 9958112), (4, 4979056), (8, 2489528), (16, 1244764), (32, 622382), (43, 463168), (64, 311191), (86, 231584), (172, 115792), (344, 57896), (688, 28948), (1376, 14474), (2752, 7237)]