18348616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 41469120

約数和(自身を除く): 23120504

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 286, 344, 373, 473, 559, 572, 746, 946, 1118, 1144, 1492, 1892, 2236, 2984, 3784, 4103, 4472, 4849, 6149, 8206, 9698, 12298, 16039, 16412, 19396, 24596, 32078, 32824, 38792, 49192, 53339, 64156, 106678, 128312, 176429, 208507, 213356, 352858, 417014, 426712, 705716, 834028, 1411432, 1668056, 2293577, 4587154, 9174308, 18348616]

約数ペア:

[(1, 18348616), (2, 9174308), (4, 4587154), (8, 2293577), (11, 1668056), (13, 1411432), (22, 834028), (26, 705716), (43, 426712), (44, 417014), (52, 352858), (86, 213356), (88, 208507), (104, 176429), (143, 128312), (172, 106678), (286, 64156), (344, 53339), (373, 49192), (473, 38792), (559, 32824), (572, 32078), (746, 24596), (946, 19396), (1118, 16412), (1144, 16039), (1492, 12298), (1892, 9698), (2236, 8206), (2984, 6149), (3784, 4849), (4103, 4472)]