19929952

素因数分解:

$2^5\times 7^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 45172512

約数和(自身を除く): 25242560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 193, 224, 386, 461, 772, 922, 1351, 1544, 1844, 2702, 3088, 3227, 3688, 5404, 6176, 6454, 7376, 10808, 12908, 14752, 21616, 25816, 43232, 51632, 88973, 103264, 177946, 355892, 622811, 711784, 1245622, 1423568, 2491244, 2847136, 4982488, 9964976, 19929952]

約数ペア:

[(1, 19929952), (2, 9964976), (4, 4982488), (7, 2847136), (8, 2491244), (14, 1423568), (16, 1245622), (28, 711784), (32, 622811), (56, 355892), (112, 177946), (193, 103264), (224, 88973), (386, 51632), (461, 43232), (772, 25816), (922, 21616), (1351, 14752), (1544, 12908), (1844, 10808), (2702, 7376), (3088, 6454), (3227, 6176), (3688, 5404)]