19185738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 26779062

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 59, 66, 78, 118, 143, 177, 286, 354, 379, 429, 649, 758, 767, 858, 1137, 1298, 1534, 1947, 2274, 2301, 3894, 4169, 4602, 4927, 8338, 8437, 9854, 12507, 14781, 16874, 22361, 25014, 25311, 29562, 44722, 50622, 54197, 67083, 108394, 134166, 162591, 245971, 290693, 325182, 491942, 581386, 737913, 872079, 1475826, 1744158, 3197623, 6395246, 9592869, 19185738]

約数ペア:

[(1, 19185738), (2, 9592869), (3, 6395246), (6, 3197623), (11, 1744158), (13, 1475826), (22, 872079), (26, 737913), (33, 581386), (39, 491942), (59, 325182), (66, 290693), (78, 245971), (118, 162591), (143, 134166), (177, 108394), (286, 67083), (354, 54197), (379, 50622), (429, 44722), (649, 29562), (758, 25311), (767, 25014), (858, 22361), (1137, 16874), (1298, 14781), (1534, 12507), (1947, 9854), (2274, 8437), (2301, 8338), (3894, 4927), (4169, 4602)]