19552444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 38241280

約数和(自身を除く): 18688836

約数列:

[1, 2, 4, 19, 31, 38, 43, 62, 76, 86, 124, 172, 193, 386, 589, 772, 817, 1178, 1333, 1634, 2356, 2666, 3268, 3667, 5332, 5983, 7334, 8299, 11966, 14668, 16598, 23932, 25327, 33196, 50654, 101308, 113677, 157681, 227354, 257269, 315362, 454708, 514538, 630724, 1029076, 4888111, 9776222, 19552444]

約数ペア:

[(1, 19552444), (2, 9776222), (4, 4888111), (19, 1029076), (31, 630724), (38, 514538), (43, 454708), (62, 315362), (76, 257269), (86, 227354), (124, 157681), (172, 113677), (193, 101308), (386, 50654), (589, 33196), (772, 25327), (817, 23932), (1178, 16598), (1333, 14668), (1634, 11966), (2356, 8299), (2666, 7334), (3268, 5983), (3667, 5332)]