18694088

素因数分解:

$2^3\times 7^2\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 41258880

約数和(自身を除く): 22564792

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 103, 196, 206, 392, 412, 463, 721, 824, 926, 1442, 1852, 2884, 3241, 3704, 5047, 5768, 6482, 10094, 12964, 20188, 22687, 25928, 40376, 45374, 47689, 90748, 95378, 181496, 190756, 333823, 381512, 667646, 1335292, 2336761, 2670584, 4673522, 9347044, 18694088]

約数ペア:

[(1, 18694088), (2, 9347044), (4, 4673522), (7, 2670584), (8, 2336761), (14, 1335292), (28, 667646), (49, 381512), (56, 333823), (98, 190756), (103, 181496), (196, 95378), (206, 90748), (392, 47689), (412, 45374), (463, 40376), (721, 25928), (824, 22687), (926, 20188), (1442, 12964), (1852, 10094), (2884, 6482), (3241, 5768), (3704, 5047)]