18554416

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10639}}^1$

素因数の和:10756

約数の個数: 20

約数和(自身を含む): 36282400

約数和(自身を除く): 17727984

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10639, 21278, 42556, 85112, 170224, 1159651, 2319302, 4638604, 9277208, 18554416]

約数ペア:

[(1, 18554416), (2, 9277208), (4, 4638604), (8, 2319302), (16, 1159651), (109, 170224), (218, 85112), (436, 42556), (872, 21278), (1744, 10639)]