19645687544

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{324529}}^1$

素因数の和:324612

約数の個数: 64

約数和(自身を含む): 44863027200

約数和(自身を除く): 25217339656

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 47, 56, 92, 94, 161, 184, 188, 322, 329, 376, 644, 658, 1081, 1288, 1316, 2162, 2632, 4324, 7567, 8648, 15134, 30268, 60536, 324529, 649058, 1298116, 2271703, 2596232, 4543406, 7464167, 9086812, 14928334, 15252863, 18173624, 29856668, 30505726, 52249169, 59713336, 61011452, 104498338, 106770041, 122022904, 208996676, 213540082, 350815849, 417993352, 427080164, 701631698, 854160328, 1403263396, 2455710943, 2806526792, 4911421886, 9822843772, 19645687544]

約数ペア:

[(1, 19645687544), (2, 9822843772), (4, 4911421886), (7, 2806526792), (8, 2455710943), (14, 1403263396), (23, 854160328), (28, 701631698), (46, 427080164), (47, 417993352), (56, 350815849), (92, 213540082), (94, 208996676), (161, 122022904), (184, 106770041), (188, 104498338), (322, 61011452), (329, 59713336), (376, 52249169), (644, 30505726), (658, 29856668), (1081, 18173624), (1288, 15252863), (1316, 14928334), (2162, 9086812), (2632, 7464167), (4324, 4543406), (7567, 2596232), (8648, 2271703), (15134, 1298116), (30268, 649058), (60536, 324529)]