18010685

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 28268352

約数和(自身を除く): 10257667

約数列:

[1, 5, 7, 11, 35, 41, 49, 55, 77, 163, 205, 245, 287, 385, 451, 539, 815, 1141, 1435, 1793, 2009, 2255, 2695, 3157, 5705, 6683, 7987, 8965, 10045, 12551, 15785, 22099, 33415, 39935, 46781, 62755, 73513, 87857, 110495, 233905, 327467, 367565, 439285, 514591, 1637335, 2572955, 3602137, 18010685]

約数ペア:

[(1, 18010685), (5, 3602137), (7, 2572955), (11, 1637335), (35, 514591), (41, 439285), (49, 367565), (55, 327467), (77, 233905), (163, 110495), (205, 87857), (245, 73513), (287, 62755), (385, 46781), (451, 39935), (539, 33415), (815, 22099), (1141, 15785), (1435, 12551), (1793, 10045), (2009, 8965), (2255, 7987), (2695, 6683), (3157, 5705)]