19460576

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 40479264

約数和(自身を除く): 21018688

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 137, 184, 193, 274, 368, 386, 548, 736, 772, 1096, 1544, 2192, 3088, 3151, 4384, 4439, 6176, 6302, 8878, 12604, 17756, 25208, 26441, 35512, 50416, 52882, 71024, 100832, 105764, 142048, 211528, 423056, 608143, 846112, 1216286, 2432572, 4865144, 9730288, 19460576]

約数ペア:

[(1, 19460576), (2, 9730288), (4, 4865144), (8, 2432572), (16, 1216286), (23, 846112), (32, 608143), (46, 423056), (92, 211528), (137, 142048), (184, 105764), (193, 100832), (274, 71024), (368, 52882), (386, 50416), (548, 35512), (736, 26441), (772, 25208), (1096, 17756), (1544, 12604), (2192, 8878), (3088, 6302), (3151, 6176), (4384, 4439)]