19238240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 52799040

約数和(自身を除く): 33560800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 89, 112, 140, 160, 178, 193, 224, 280, 356, 386, 445, 560, 623, 712, 772, 890, 965, 1120, 1246, 1351, 1424, 1544, 1780, 1930, 2492, 2702, 2848, 3088, 3115, 3560, 3860, 4984, 5404, 6176, 6230, 6755, 7120, 7720, 9968, 10808, 12460, 13510, 14240, 15440, 17177, 19936, 21616, 24920, 27020, 30880, 34354, 43232, 49840, 54040, 68708, 85885, 99680, 108080, 120239, 137416, 171770, 216160, 240478, 274832, 343540, 480956, 549664, 601195, 687080, 961912, 1202390, 1374160, 1923824, 2404780, 2748320, 3847648, 4809560, 9619120, 19238240]

約数ペア:

[(1, 19238240), (2, 9619120), (4, 4809560), (5, 3847648), (7, 2748320), (8, 2404780), (10, 1923824), (14, 1374160), (16, 1202390), (20, 961912), (28, 687080), (32, 601195), (35, 549664), (40, 480956), (56, 343540), (70, 274832), (80, 240478), (89, 216160), (112, 171770), (140, 137416), (160, 120239), (178, 108080), (193, 99680), (224, 85885), (280, 68708), (356, 54040), (386, 49840), (445, 43232), (560, 34354), (623, 30880), (712, 27020), (772, 24920), (890, 21616), (965, 19936), (1120, 17177), (1246, 15440), (1351, 14240), (1424, 13510), (1544, 12460), (1780, 10808), (1930, 9968), (2492, 7720), (2702, 7120), (2848, 6755), (3088, 6230), (3115, 6176), (3560, 5404), (3860, 4984)]