18120708

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 50221080

約数和(自身を除く): 32100372

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1021, 1044, 1479, 1972, 2042, 2958, 3063, 4084, 4437, 5916, 6126, 8874, 9189, 12252, 17357, 17748, 18378, 29609, 34714, 36756, 52071, 59218, 69428, 88827, 104142, 118436, 156213, 177654, 208284, 266481, 312426, 355308, 503353, 532962, 624852, 1006706, 1065924, 1510059, 2013412, 3020118, 4530177, 6040236, 9060354, 18120708]

約数ペア:

[(1, 18120708), (2, 9060354), (3, 6040236), (4, 4530177), (6, 3020118), (9, 2013412), (12, 1510059), (17, 1065924), (18, 1006706), (29, 624852), (34, 532962), (36, 503353), (51, 355308), (58, 312426), (68, 266481), (87, 208284), (102, 177654), (116, 156213), (153, 118436), (174, 104142), (204, 88827), (261, 69428), (306, 59218), (348, 52071), (493, 36756), (522, 34714), (612, 29609), (986, 18378), (1021, 17748), (1044, 17357), (1479, 12252), (1972, 9189), (2042, 8874), (2958, 6126), (3063, 5916), (4084, 4437)]