19725076

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 41690880

約数和(自身を除く): 21965804

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 109, 161, 218, 281, 322, 436, 562, 644, 763, 1124, 1526, 1967, 2507, 3052, 3934, 5014, 6463, 7868, 10028, 12926, 17549, 25852, 30629, 35098, 45241, 61258, 70196, 90482, 122516, 180964, 214403, 428806, 704467, 857612, 1408934, 2817868, 4931269, 9862538, 19725076]

約数ペア:

[(1, 19725076), (2, 9862538), (4, 4931269), (7, 2817868), (14, 1408934), (23, 857612), (28, 704467), (46, 428806), (92, 214403), (109, 180964), (161, 122516), (218, 90482), (281, 70196), (322, 61258), (436, 45241), (562, 35098), (644, 30629), (763, 25852), (1124, 17549), (1526, 12926), (1967, 10028), (2507, 7868), (3052, 6463), (3934, 5014)]