18804445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 7322915

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 269, 341, 451, 1271, 1345, 1705, 2255, 2959, 6355, 8339, 11029, 13981, 14795, 41695, 55145, 69905, 91729, 121319, 341899, 458645, 606595, 1709495, 3760889, 18804445]

約数ペア:

[(1, 18804445), (5, 3760889), (11, 1709495), (31, 606595), (41, 458645), (55, 341899), (155, 121319), (205, 91729), (269, 69905), (341, 55145), (451, 41695), (1271, 14795), (1345, 13981), (1705, 11029), (2255, 8339), (2959, 6355)]