18271988

素因数分解:

$2^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1193}}^1$

素因数の和:1751

約数の個数: 24

約数和(自身を含む): 36641472

約数和(自身を除く): 18369484

約数列:

[1, 2, 4, 7, 14, 28, 547, 1094, 1193, 2188, 2386, 3829, 4772, 7658, 8351, 15316, 16702, 33404, 652571, 1305142, 2610284, 4567997, 9135994, 18271988]

約数ペア:

[(1, 18271988), (2, 9135994), (4, 4567997), (7, 2610284), (14, 1305142), (28, 652571), (547, 33404), (1094, 16702), (1193, 15316), (2188, 8351), (2386, 7658), (3829, 4772)]