18586827

素因数分解:

$3^5\times 7^3\times {\mathrm{223}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 32614400

約数和(自身を除く): 14027573

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 223, 243, 343, 441, 567, 669, 1029, 1323, 1561, 1701, 2007, 3087, 3969, 4683, 6021, 9261, 10927, 11907, 14049, 18063, 27783, 32781, 42147, 54189, 76489, 83349, 98343, 126441, 229467, 295029, 379323, 688401, 885087, 2065203, 2655261, 6195609, 18586827]

約数ペア:

[(1, 18586827), (3, 6195609), (7, 2655261), (9, 2065203), (21, 885087), (27, 688401), (49, 379323), (63, 295029), (81, 229467), (147, 126441), (189, 98343), (223, 83349), (243, 76489), (343, 54189), (441, 42147), (567, 32781), (669, 27783), (1029, 18063), (1323, 14049), (1561, 11907), (1701, 10927), (2007, 9261), (3087, 6021), (3969, 4683)]