18578904

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 29805096

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 79, 82, 123, 158, 164, 237, 239, 246, 316, 328, 474, 478, 492, 632, 717, 948, 956, 984, 1434, 1896, 1912, 2868, 3239, 5736, 6478, 9717, 9799, 12956, 18881, 19434, 19598, 25912, 29397, 37762, 38868, 39196, 56643, 58794, 75524, 77736, 78392, 113286, 117588, 151048, 226572, 235176, 453144, 774121, 1548242, 2322363, 3096484, 4644726, 6192968, 9289452, 18578904]

約数ペア:

[(1, 18578904), (2, 9289452), (3, 6192968), (4, 4644726), (6, 3096484), (8, 2322363), (12, 1548242), (24, 774121), (41, 453144), (79, 235176), (82, 226572), (123, 151048), (158, 117588), (164, 113286), (237, 78392), (239, 77736), (246, 75524), (316, 58794), (328, 56643), (474, 39196), (478, 38868), (492, 37762), (632, 29397), (717, 25912), (948, 19598), (956, 19434), (984, 18881), (1434, 12956), (1896, 9799), (1912, 9717), (2868, 6478), (3239, 5736)]