18365061

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 30041280

約数和(自身を除く): 11676219

約数列:

[1, 3, 11, 13, 33, 37, 39, 89, 111, 143, 169, 267, 407, 429, 481, 507, 979, 1157, 1221, 1443, 1859, 2937, 3293, 3471, 5291, 5577, 6253, 9879, 12727, 15041, 15873, 18759, 36223, 38181, 42809, 45123, 68783, 108669, 128427, 165451, 206349, 470899, 496353, 556517, 1412697, 1669551, 6121687, 18365061]

約数ペア:

[(1, 18365061), (3, 6121687), (11, 1669551), (13, 1412697), (33, 556517), (37, 496353), (39, 470899), (89, 206349), (111, 165451), (143, 128427), (169, 108669), (267, 68783), (407, 45123), (429, 42809), (481, 38181), (507, 36223), (979, 18759), (1157, 15873), (1221, 15041), (1443, 12727), (1859, 9879), (2937, 6253), (3293, 5577), (3471, 5291)]