19081293

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 34670592

約数和(自身を除く): 15589299

約数列:

[1, 3, 7, 11, 17, 21, 33, 43, 51, 77, 113, 119, 129, 187, 231, 301, 339, 357, 473, 561, 731, 791, 903, 1243, 1309, 1419, 1921, 2193, 2373, 3311, 3729, 3927, 4859, 5117, 5763, 8041, 8701, 9933, 13447, 14577, 15351, 21131, 24123, 26103, 34013, 40341, 53449, 56287, 63393, 82603, 102039, 147917, 160347, 168861, 247809, 374143, 443751, 578221, 908633, 1122429, 1734663, 2725899, 6360431, 19081293]

約数ペア:

[(1, 19081293), (3, 6360431), (7, 2725899), (11, 1734663), (17, 1122429), (21, 908633), (33, 578221), (43, 443751), (51, 374143), (77, 247809), (113, 168861), (119, 160347), (129, 147917), (187, 102039), (231, 82603), (301, 63393), (339, 56287), (357, 53449), (473, 40341), (561, 34013), (731, 26103), (791, 24123), (903, 21131), (1243, 15351), (1309, 14577), (1419, 13447), (1921, 9933), (2193, 8701), (2373, 8041), (3311, 5763), (3729, 5117), (3927, 4859)]