19733120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2803}}^1$

素因数の和:2833

約数の個数: 64

約数和(自身を含む): 51481440

約数和(自身を除く): 31748320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2803, 3520, 5606, 7040, 11212, 14015, 22424, 28030, 30833, 44848, 56060, 61666, 89696, 112120, 123332, 154165, 179392, 224240, 246664, 308330, 358784, 448480, 493328, 616660, 896960, 986656, 1233320, 1793920, 1973312, 2466640, 3946624, 4933280, 9866560, 19733120]

約数ペア:

[(1, 19733120), (2, 9866560), (4, 4933280), (5, 3946624), (8, 2466640), (10, 1973312), (11, 1793920), (16, 1233320), (20, 986656), (22, 896960), (32, 616660), (40, 493328), (44, 448480), (55, 358784), (64, 308330), (80, 246664), (88, 224240), (110, 179392), (128, 154165), (160, 123332), (176, 112120), (220, 89696), (320, 61666), (352, 56060), (440, 44848), (640, 30833), (704, 28030), (880, 22424), (1408, 14015), (1760, 11212), (2803, 7040), (3520, 5606)]