18885808

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22271}}^1$

素因数の和:22332

約数の個数: 20

約数和(自身を含む): 37283328

約数和(自身を除く): 18397520

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22271, 44542, 89084, 178168, 356336, 1180363, 2360726, 4721452, 9442904, 18885808]

約数ペア:

[(1, 18885808), (2, 9442904), (4, 4721452), (8, 2360726), (16, 1180363), (53, 356336), (106, 178168), (212, 89084), (424, 44542), (848, 22271)]