19772464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:557

約数の個数: 40

約数和(自身を含む): 40654640

約数和(自身を除く): 20882176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 193, 304, 337, 386, 674, 772, 1348, 1544, 2696, 3088, 3667, 5392, 6403, 7334, 12806, 14668, 25612, 29336, 51224, 58672, 65041, 102448, 130082, 260164, 520328, 1040656, 1235779, 2471558, 4943116, 9886232, 19772464]

約数ペア:

[(1, 19772464), (2, 9886232), (4, 4943116), (8, 2471558), (16, 1235779), (19, 1040656), (38, 520328), (76, 260164), (152, 130082), (193, 102448), (304, 65041), (337, 58672), (386, 51224), (674, 29336), (772, 25612), (1348, 14668), (1544, 12806), (2696, 7334), (3088, 6403), (3667, 5392)]