20194994512

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{862739}}^1$

素因数の和:862784

約数の個数: 80

約数和(自身を含む): 51350284800

約数和(自身を除く): 31155290288

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 1064, 1232, 1463, 1672, 2128, 2926, 3344, 5852, 11704, 23408, 862739, 1725478, 3450956, 6039173, 6901912, 9490129, 12078346, 13803824, 16392041, 18980258, 24156692, 32784082, 37960516, 48313384, 65568164, 66430903, 75921032, 96626768, 114744287, 131136328, 132861806, 151842064, 180312451, 229488574, 262272656, 265723612, 360624902, 458977148, 531447224, 721249804, 917954296, 1062894448, 1262187157, 1442499608, 1835908592, 2524374314, 2884999216, 5048748628, 10097497256, 20194994512]

約数ペア:

[(1, 20194994512), (2, 10097497256), (4, 5048748628), (7, 2884999216), (8, 2524374314), (11, 1835908592), (14, 1442499608), (16, 1262187157), (19, 1062894448), (22, 917954296), (28, 721249804), (38, 531447224), (44, 458977148), (56, 360624902), (76, 265723612), (77, 262272656), (88, 229488574), (112, 180312451), (133, 151842064), (152, 132861806), (154, 131136328), (176, 114744287), (209, 96626768), (266, 75921032), (304, 66430903), (308, 65568164), (418, 48313384), (532, 37960516), (616, 32784082), (836, 24156692), (1064, 18980258), (1232, 16392041), (1463, 13803824), (1672, 12078346), (2128, 9490129), (2926, 6901912), (3344, 6039173), (5852, 3450956), (11704, 1725478), (23408, 862739)]