18042258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 23326062

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 89, 113, 138, 178, 226, 267, 299, 339, 534, 598, 678, 897, 1157, 1469, 1794, 2047, 2314, 2599, 2938, 3471, 4094, 4407, 5198, 6141, 6942, 7797, 8814, 10057, 12282, 15594, 20114, 26611, 30171, 33787, 53222, 60342, 67574, 79833, 101361, 130741, 159666, 202722, 231311, 261482, 392223, 462622, 693933, 784446, 1387866, 3007043, 6014086, 9021129, 18042258]

約数ペア:

[(1, 18042258), (2, 9021129), (3, 6014086), (6, 3007043), (13, 1387866), (23, 784446), (26, 693933), (39, 462622), (46, 392223), (69, 261482), (78, 231311), (89, 202722), (113, 159666), (138, 130741), (178, 101361), (226, 79833), (267, 67574), (299, 60342), (339, 53222), (534, 33787), (598, 30171), (678, 26611), (897, 20114), (1157, 15594), (1469, 12282), (1794, 10057), (2047, 8814), (2314, 7797), (2599, 6942), (2938, 6141), (3471, 5198), (4094, 4407)]