18256564

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 32576768

約数和(自身を除く): 14320204

約数列:

[1, 2, 4, 97, 194, 211, 223, 388, 422, 446, 844, 892, 20467, 21631, 40934, 43262, 47053, 81868, 86524, 94106, 188212, 4564141, 9128282, 18256564]

約数ペア:

[(1, 18256564), (2, 9128282), (4, 4564141), (97, 188212), (194, 94106), (211, 86524), (223, 81868), (388, 47053), (422, 43262), (446, 40934), (844, 21631), (892, 20467)]