18173260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 25694900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 479, 542, 958, 1084, 1355, 1897, 1916, 2395, 2710, 3353, 3794, 4790, 5420, 6706, 7588, 9485, 9580, 13412, 16765, 18970, 33530, 37940, 67060, 129809, 259618, 519236, 649045, 908663, 1298090, 1817326, 2596180, 3634652, 4543315, 9086630, 18173260]

約数ペア:

[(1, 18173260), (2, 9086630), (4, 4543315), (5, 3634652), (7, 2596180), (10, 1817326), (14, 1298090), (20, 908663), (28, 649045), (35, 519236), (70, 259618), (140, 129809), (271, 67060), (479, 37940), (542, 33530), (958, 18970), (1084, 16765), (1355, 13412), (1897, 9580), (1916, 9485), (2395, 7588), (2710, 6706), (3353, 5420), (3794, 4790)]