18038864

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8111}}^1$

素因数の和:8258

約数の個数: 20

約数和(自身を含む): 35206080

約数和(自身を除く): 17167216

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8111, 16222, 32444, 64888, 129776, 1127429, 2254858, 4509716, 9019432, 18038864]

約数ペア:

[(1, 18038864), (2, 9019432), (4, 4509716), (8, 2254858), (16, 1127429), (139, 129776), (278, 64888), (556, 32444), (1112, 16222), (2224, 8111)]