1980392

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 3974400

約数和(自身を除く): 1994008

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 229, 376, 458, 916, 1081, 1832, 2162, 4324, 5267, 8648, 10534, 10763, 21068, 21526, 42136, 43052, 86104, 247549, 495098, 990196, 1980392]

約数ペア:

[(1, 1980392), (2, 990196), (4, 495098), (8, 247549), (23, 86104), (46, 43052), (47, 42136), (92, 21526), (94, 21068), (184, 10763), (188, 10534), (229, 8648), (376, 5267), (458, 4324), (916, 2162), (1081, 1832)]