18061456

素因数分解:

$2^4\times 7^1\times {\mathrm{161263}}^1$

素因数の和:161278

約数の個数: 20

約数和(自身を含む): 39993472

約数和(自身を除く): 21932016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161263, 322526, 645052, 1128841, 1290104, 2257682, 2580208, 4515364, 9030728, 18061456]

約数ペア:

[(1, 18061456), (2, 9030728), (4, 4515364), (7, 2580208), (8, 2257682), (14, 1290104), (16, 1128841), (28, 645052), (56, 322526), (112, 161263)]