18045776

素因数分解:

$2^4\times 7^1\times {\mathrm{161123}}^1$

素因数の和:161138

約数の個数: 20

約数和(自身を含む): 39958752

約数和(自身を除く): 21912976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161123, 322246, 644492, 1127861, 1288984, 2255722, 2577968, 4511444, 9022888, 18045776]

約数ペア:

[(1, 18045776), (2, 9022888), (4, 4511444), (7, 2577968), (8, 2255722), (14, 1288984), (16, 1127861), (28, 644492), (56, 322246), (112, 161123)]