19687080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1063

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 50815320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1019, 1288, 1380, 1610, 1932, 2038, 2415, 2760, 3057, 3220, 3864, 4076, 4830, 5095, 6114, 6440, 7133, 8152, 9660, 10190, 12228, 14266, 15285, 19320, 20380, 21399, 23437, 24456, 28532, 30570, 35665, 40760, 42798, 46874, 57064, 61140, 70311, 71330, 85596, 93748, 106995, 117185, 122280, 140622, 142660, 164059, 171192, 187496, 213990, 234370, 281244, 285320, 328118, 351555, 427980, 468740, 492177, 562488, 656236, 703110, 820295, 855960, 937480, 984354, 1312472, 1406220, 1640590, 1968708, 2460885, 2812440, 3281180, 3937416, 4921770, 6562360, 9843540, 19687080]

約数ペア:

[(1, 19687080), (2, 9843540), (3, 6562360), (4, 4921770), (5, 3937416), (6, 3281180), (7, 2812440), (8, 2460885), (10, 1968708), (12, 1640590), (14, 1406220), (15, 1312472), (20, 984354), (21, 937480), (23, 855960), (24, 820295), (28, 703110), (30, 656236), (35, 562488), (40, 492177), (42, 468740), (46, 427980), (56, 351555), (60, 328118), (69, 285320), (70, 281244), (84, 234370), (92, 213990), (105, 187496), (115, 171192), (120, 164059), (138, 142660), (140, 140622), (161, 122280), (168, 117185), (184, 106995), (210, 93748), (230, 85596), (276, 71330), (280, 70311), (322, 61140), (345, 57064), (420, 46874), (460, 42798), (483, 40760), (552, 35665), (644, 30570), (690, 28532), (805, 24456), (840, 23437), (920, 21399), (966, 20380), (1019, 19320), (1288, 15285), (1380, 14266), (1610, 12228), (1932, 10190), (2038, 9660), (2415, 8152), (2760, 7133), (3057, 6440), (3220, 6114), (3864, 5095), (4076, 4830)]