18466884620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{116687}}^1$

素因数の和:116930

約数の個数: 48

約数和(自身を含む): 39932500608

約数和(自身を除く): 21465615988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 193, 205, 386, 410, 772, 820, 965, 1930, 3860, 7913, 15826, 31652, 39565, 79130, 116687, 158260, 233374, 466748, 583435, 1166870, 2333740, 4784167, 9568334, 19136668, 22520591, 23920835, 45041182, 47841670, 90082364, 95683340, 112602955, 225205910, 450411820, 923344231, 1846688462, 3693376924, 4616721155, 9233442310, 18466884620]

約数ペア:

[(1, 18466884620), (2, 9233442310), (4, 4616721155), (5, 3693376924), (10, 1846688462), (20, 923344231), (41, 450411820), (82, 225205910), (164, 112602955), (193, 95683340), (205, 90082364), (386, 47841670), (410, 45041182), (772, 23920835), (820, 22520591), (965, 19136668), (1930, 9568334), (3860, 4784167), (7913, 2333740), (15826, 1166870), (31652, 583435), (39565, 466748), (79130, 233374), (116687, 158260)]