18804500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 48432384

約数和(自身を除く): 29627884

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 125, 130, 143, 220, 250, 260, 263, 275, 286, 325, 500, 526, 550, 572, 650, 715, 1052, 1100, 1300, 1315, 1375, 1430, 1625, 2630, 2750, 2860, 2893, 3250, 3419, 3575, 5260, 5500, 5786, 6500, 6575, 6838, 7150, 11572, 13150, 13676, 14300, 14465, 17095, 17875, 26300, 28930, 32875, 34190, 35750, 37609, 57860, 65750, 68380, 71500, 72325, 75218, 85475, 131500, 144650, 150436, 170950, 188045, 289300, 341900, 361625, 376090, 427375, 723250, 752180, 854750, 940225, 1446500, 1709500, 1880450, 3760900, 4701125, 9402250, 18804500]

約数ペア:

[(1, 18804500), (2, 9402250), (4, 4701125), (5, 3760900), (10, 1880450), (11, 1709500), (13, 1446500), (20, 940225), (22, 854750), (25, 752180), (26, 723250), (44, 427375), (50, 376090), (52, 361625), (55, 341900), (65, 289300), (100, 188045), (110, 170950), (125, 150436), (130, 144650), (143, 131500), (220, 85475), (250, 75218), (260, 72325), (263, 71500), (275, 68380), (286, 65750), (325, 57860), (500, 37609), (526, 35750), (550, 34190), (572, 32875), (650, 28930), (715, 26300), (1052, 17875), (1100, 17095), (1300, 14465), (1315, 14300), (1375, 13676), (1430, 13150), (1625, 11572), (2630, 7150), (2750, 6838), (2860, 6575), (2893, 6500), (3250, 5786), (3419, 5500), (3575, 5260)]