19396440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:246

約数の個数: 192

約数和(自身を含む): 74131200

約数和(自身を除く): 54734760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 56, 60, 63, 70, 72, 84, 86, 90, 105, 120, 126, 129, 140, 168, 172, 179, 180, 210, 215, 252, 258, 280, 301, 315, 344, 358, 360, 387, 420, 430, 504, 516, 537, 602, 630, 645, 716, 774, 840, 860, 895, 903, 1032, 1074, 1204, 1253, 1260, 1290, 1432, 1505, 1548, 1611, 1720, 1790, 1806, 1935, 2148, 2408, 2506, 2520, 2580, 2685, 2709, 3010, 3096, 3222, 3580, 3612, 3759, 3870, 4296, 4515, 5012, 5160, 5370, 5418, 6020, 6265, 6444, 7160, 7224, 7518, 7697, 7740, 8055, 9030, 10024, 10740, 10836, 11277, 12040, 12530, 12888, 13545, 15036, 15394, 15480, 16110, 18060, 18795, 21480, 21672, 22554, 23091, 25060, 27090, 30072, 30788, 32220, 36120, 37590, 38485, 45108, 46182, 50120, 53879, 54180, 56385, 61576, 64440, 69273, 75180, 76970, 90216, 92364, 107758, 108360, 112770, 115455, 138546, 150360, 153940, 161637, 184728, 215516, 225540, 230910, 269395, 277092, 307880, 323274, 346365, 431032, 451080, 461820, 484911, 538790, 554184, 646548, 692730, 808185, 923640, 969822, 1077580, 1293096, 1385460, 1616370, 1939644, 2155160, 2424555, 2770920, 3232740, 3879288, 4849110, 6465480, 9698220, 19396440]

約数ペア:

[(1, 19396440), (2, 9698220), (3, 6465480), (4, 4849110), (5, 3879288), (6, 3232740), (7, 2770920), (8, 2424555), (9, 2155160), (10, 1939644), (12, 1616370), (14, 1385460), (15, 1293096), (18, 1077580), (20, 969822), (21, 923640), (24, 808185), (28, 692730), (30, 646548), (35, 554184), (36, 538790), (40, 484911), (42, 461820), (43, 451080), (45, 431032), (56, 346365), (60, 323274), (63, 307880), (70, 277092), (72, 269395), (84, 230910), (86, 225540), (90, 215516), (105, 184728), (120, 161637), (126, 153940), (129, 150360), (140, 138546), (168, 115455), (172, 112770), (179, 108360), (180, 107758), (210, 92364), (215, 90216), (252, 76970), (258, 75180), (280, 69273), (301, 64440), (315, 61576), (344, 56385), (358, 54180), (360, 53879), (387, 50120), (420, 46182), (430, 45108), (504, 38485), (516, 37590), (537, 36120), (602, 32220), (630, 30788), (645, 30072), (716, 27090), (774, 25060), (840, 23091), (860, 22554), (895, 21672), (903, 21480), (1032, 18795), (1074, 18060), (1204, 16110), (1253, 15480), (1260, 15394), (1290, 15036), (1432, 13545), (1505, 12888), (1548, 12530), (1611, 12040), (1720, 11277), (1790, 10836), (1806, 10740), (1935, 10024), (2148, 9030), (2408, 8055), (2506, 7740), (2520, 7697), (2580, 7518), (2685, 7224), (2709, 7160), (3010, 6444), (3096, 6265), (3222, 6020), (3580, 5418), (3612, 5370), (3759, 5160), (3870, 5012), (4296, 4515)]