19187718

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6761}}^1$

素因数の和:6820

約数の個数: 32

約数和(自身を含む): 42844032

約数和(自身を除く): 23656314

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 6761, 13522, 20283, 40566, 74371, 148742, 223113, 290723, 446226, 581446, 872169, 1744338, 3197953, 6395906, 9593859, 19187718]

約数ペア:

[(1, 19187718), (2, 9593859), (3, 6395906), (6, 3197953), (11, 1744338), (22, 872169), (33, 581446), (43, 446226), (66, 290723), (86, 223113), (129, 148742), (258, 74371), (473, 40566), (946, 20283), (1419, 13522), (2838, 6761)]