18630766

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 16413074

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 311, 389, 622, 778, 2177, 2723, 3421, 4279, 4354, 5446, 6842, 8558, 23947, 29953, 47894, 59906, 120979, 241958, 846853, 1330769, 1693706, 2661538, 9315383, 18630766]

約数ペア:

[(1, 18630766), (2, 9315383), (7, 2661538), (11, 1693706), (14, 1330769), (22, 846853), (77, 241958), (154, 120979), (311, 59906), (389, 47894), (622, 29953), (778, 23947), (2177, 8558), (2723, 6842), (3421, 5446), (4279, 4354)]