18219.0000000

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 5241600

約数和(自身を除く): 2856056

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1039, 1148, 2078, 2296, 4156, 7273, 8312, 14546, 29092, 42599, 58184, 85198, 170396, 298193, 340792, 596386, 1192772, 2385544]

約数ペア:

[(1, 2385544), (2, 1192772), (4, 596386), (7, 340792), (8, 298193), (14, 170396), (28, 85198), (41, 58184), (56, 42599), (82, 29092), (164, 14546), (287, 8312), (328, 7273), (574, 4156), (1039, 2296), (1148, 2078)]