18540291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{967}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 12683517

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 231, 249, 581, 913, 967, 1743, 2739, 2901, 6391, 6769, 10637, 19173, 20307, 31911, 74459, 80261, 223377, 240783, 561827, 882871, 1685481, 2648613, 6180097, 18540291]

約数ペア:

[(1, 18540291), (3, 6180097), (7, 2648613), (11, 1685481), (21, 882871), (33, 561827), (77, 240783), (83, 223377), (231, 80261), (249, 74459), (581, 31911), (913, 20307), (967, 19173), (1743, 10637), (2739, 6769), (2901, 6391)]