19386464

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 39794832

約数和(自身を除く): 20408368

約数列:

[1, 2, 4, 8, 16, 32, 43, 73, 86, 146, 172, 193, 292, 344, 386, 584, 688, 772, 1168, 1376, 1544, 2336, 3088, 3139, 6176, 6278, 8299, 12556, 14089, 16598, 25112, 28178, 33196, 50224, 56356, 66392, 100448, 112712, 132784, 225424, 265568, 450848, 605827, 1211654, 2423308, 4846616, 9693232, 19386464]

約数ペア:

[(1, 19386464), (2, 9693232), (4, 4846616), (8, 2423308), (16, 1211654), (32, 605827), (43, 450848), (73, 265568), (86, 225424), (146, 132784), (172, 112712), (193, 100448), (292, 66392), (344, 56356), (386, 50224), (584, 33196), (688, 28178), (772, 25112), (1168, 16598), (1376, 14089), (1544, 12556), (2336, 8299), (3088, 6278), (3139, 6176)]