18125580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{947}}^1$

素因数の和:999

約数の個数: 96

約数和(自身を含む): 57335040

約数和(自身を除く): 39209460

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 947, 957, 1276, 1595, 1740, 1894, 1914, 2841, 3190, 3788, 3828, 4735, 4785, 5682, 6380, 9470, 9570, 10417, 11364, 14205, 18940, 19140, 20834, 27463, 28410, 31251, 41668, 52085, 54926, 56820, 62502, 82389, 104170, 109852, 125004, 137315, 156255, 164778, 208340, 274630, 302093, 312510, 329556, 411945, 549260, 604186, 625020, 823890, 906279, 1208372, 1510465, 1647780, 1812558, 3020930, 3625116, 4531395, 6041860, 9062790, 18125580]

約数ペア:

[(1, 18125580), (2, 9062790), (3, 6041860), (4, 4531395), (5, 3625116), (6, 3020930), (10, 1812558), (11, 1647780), (12, 1510465), (15, 1208372), (20, 906279), (22, 823890), (29, 625020), (30, 604186), (33, 549260), (44, 411945), (55, 329556), (58, 312510), (60, 302093), (66, 274630), (87, 208340), (110, 164778), (116, 156255), (132, 137315), (145, 125004), (165, 109852), (174, 104170), (220, 82389), (290, 62502), (319, 56820), (330, 54926), (348, 52085), (435, 41668), (580, 31251), (638, 28410), (660, 27463), (870, 20834), (947, 19140), (957, 18940), (1276, 14205), (1595, 11364), (1740, 10417), (1894, 9570), (1914, 9470), (2841, 6380), (3190, 5682), (3788, 4785), (3828, 4735)]