19037520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 64734696

約数和(自身を除く): 45697176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 137, 144, 180, 193, 240, 274, 360, 386, 411, 548, 579, 685, 720, 772, 822, 965, 1096, 1158, 1233, 1370, 1544, 1644, 1737, 1930, 2055, 2192, 2316, 2466, 2740, 2895, 3088, 3288, 3474, 3860, 4110, 4632, 4932, 5480, 5790, 6165, 6576, 6948, 7720, 8220, 8685, 9264, 9864, 10960, 11580, 12330, 13896, 15440, 16440, 17370, 19728, 23160, 24660, 26441, 27792, 32880, 34740, 46320, 49320, 52882, 69480, 79323, 98640, 105764, 132205, 138960, 158646, 211528, 237969, 264410, 317292, 396615, 423056, 475938, 528820, 634584, 793230, 951876, 1057640, 1189845, 1269168, 1586460, 1903752, 2115280, 2379690, 3172920, 3807504, 4759380, 6345840, 9518760, 19037520]

約数ペア:

[(1, 19037520), (2, 9518760), (3, 6345840), (4, 4759380), (5, 3807504), (6, 3172920), (8, 2379690), (9, 2115280), (10, 1903752), (12, 1586460), (15, 1269168), (16, 1189845), (18, 1057640), (20, 951876), (24, 793230), (30, 634584), (36, 528820), (40, 475938), (45, 423056), (48, 396615), (60, 317292), (72, 264410), (80, 237969), (90, 211528), (120, 158646), (137, 138960), (144, 132205), (180, 105764), (193, 98640), (240, 79323), (274, 69480), (360, 52882), (386, 49320), (411, 46320), (548, 34740), (579, 32880), (685, 27792), (720, 26441), (772, 24660), (822, 23160), (965, 19728), (1096, 17370), (1158, 16440), (1233, 15440), (1370, 13896), (1544, 12330), (1644, 11580), (1737, 10960), (1930, 9864), (2055, 9264), (2192, 8685), (2316, 8220), (2466, 7720), (2740, 6948), (2895, 6576), (3088, 6165), (3288, 5790), (3474, 5480), (3860, 4932), (4110, 4632)]