18219877722

素因数分解:

$2^1\times 3^4\times {\mathrm{239}}^1\times {\mathrm{470579}}^1$

素因数の和:470832

約数の個数: 40

約数和(自身を含む): 40996929600

約数和(自身を除く): 22777051878

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 239, 478, 717, 1434, 2151, 4302, 6453, 12906, 19359, 38718, 470579, 941158, 1411737, 2823474, 4235211, 8470422, 12705633, 25411266, 38116899, 76233798, 112468381, 224936762, 337405143, 674810286, 1012215429, 2024430858, 3036646287, 6073292574, 9109938861, 18219877722]

約数ペア:

[(1, 18219877722), (2, 9109938861), (3, 6073292574), (6, 3036646287), (9, 2024430858), (18, 1012215429), (27, 674810286), (54, 337405143), (81, 224936762), (162, 112468381), (239, 76233798), (478, 38116899), (717, 25411266), (1434, 12705633), (2151, 8470422), (4302, 4235211), (6453, 2823474), (12906, 1411737), (19359, 941158), (38718, 470579)]