18540647185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{201781}}^1$

素因数の和:201873

約数の個数: 32

約数和(自身を含む): 25104909312

約数和(自身を除く): 6564262127

約数列:

[1, 5, 17, 23, 47, 85, 115, 235, 391, 799, 1081, 1955, 3995, 5405, 18377, 91885, 201781, 1008905, 3430277, 4640963, 9483707, 17151385, 23204815, 47418535, 78896371, 161223019, 218125261, 394481855, 806115095, 1090626305, 3708129437, 18540647185]

約数ペア:

[(1, 18540647185), (5, 3708129437), (17, 1090626305), (23, 806115095), (47, 394481855), (85, 218125261), (115, 161223019), (235, 78896371), (391, 47418535), (799, 23204815), (1081, 17151385), (1955, 9483707), (3995, 4640963), (5405, 3430277), (18377, 1008905), (91885, 201781)]