18519842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19577}}^1$

素因数の和:19633

約数の個数: 16

約数和(自身を含む): 31011552

約数和(自身を除く): 12491710

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19577, 39154, 215347, 430694, 841811, 1683622, 9259921, 18519842]

約数ペア:

[(1, 18519842), (2, 9259921), (11, 1683622), (22, 841811), (43, 430694), (86, 215347), (473, 39154), (946, 19577)]