18072656

素因数分解:

$2^4\times 7^1\times {\mathrm{161363}}^1$

素因数の和:161378

約数の個数: 20

約数和(自身を含む): 40018272

約数和(自身を除く): 21945616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161363, 322726, 645452, 1129541, 1290904, 2259082, 2581808, 4518164, 9036328, 18072656]

約数ペア:

[(1, 18072656), (2, 9036328), (4, 4518164), (7, 2581808), (8, 2259082), (14, 1290904), (16, 1129541), (28, 645452), (56, 322726), (112, 161363)]