18990006

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 27665994

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 53, 57, 106, 114, 133, 159, 266, 318, 371, 399, 449, 742, 798, 898, 1007, 1113, 1347, 2014, 2226, 2694, 3021, 3143, 6042, 6286, 7049, 8531, 9429, 14098, 17062, 18858, 21147, 23797, 25593, 42294, 47594, 51186, 59717, 71391, 119434, 142782, 166579, 179151, 333158, 358302, 452143, 499737, 904286, 999474, 1356429, 2712858, 3165001, 6330002, 9495003, 18990006]

約数ペア:

[(1, 18990006), (2, 9495003), (3, 6330002), (6, 3165001), (7, 2712858), (14, 1356429), (19, 999474), (21, 904286), (38, 499737), (42, 452143), (53, 358302), (57, 333158), (106, 179151), (114, 166579), (133, 142782), (159, 119434), (266, 71391), (318, 59717), (371, 51186), (399, 47594), (449, 42294), (742, 25593), (798, 23797), (898, 21147), (1007, 18858), (1113, 17062), (1347, 14098), (2014, 9429), (2226, 8531), (2694, 7049), (3021, 6286), (3143, 6042)]