18026307

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 80

約数和(自身を含む): 32931360

約数和(自身を除く): 14905053

約数列:

[1, 3, 9, 13, 17, 19, 27, 39, 51, 53, 57, 81, 117, 153, 159, 171, 221, 247, 323, 351, 459, 477, 513, 663, 689, 741, 901, 969, 1007, 1053, 1377, 1431, 1539, 1989, 2067, 2223, 2703, 2907, 3021, 4199, 4293, 5967, 6201, 6669, 8109, 8721, 9063, 11713, 12597, 13091, 17119, 17901, 18603, 20007, 24327, 26163, 27189, 35139, 37791, 39273, 51357, 55809, 72981, 81567, 105417, 113373, 117819, 154071, 222547, 316251, 340119, 353457, 462213, 667641, 948753, 1060371, 1386639, 2002923, 6008769, 18026307]

約数ペア:

[(1, 18026307), (3, 6008769), (9, 2002923), (13, 1386639), (17, 1060371), (19, 948753), (27, 667641), (39, 462213), (51, 353457), (53, 340119), (57, 316251), (81, 222547), (117, 154071), (153, 117819), (159, 113373), (171, 105417), (221, 81567), (247, 72981), (323, 55809), (351, 51357), (459, 39273), (477, 37791), (513, 35139), (663, 27189), (689, 26163), (741, 24327), (901, 20007), (969, 18603), (1007, 17901), (1053, 17119), (1377, 13091), (1431, 12597), (1539, 11713), (1989, 9063), (2067, 8721), (2223, 8109), (2703, 6669), (2907, 6201), (3021, 5967), (4199, 4293)]