18722416

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16481}}^1$

素因数の和:16560

約数の個数: 20

約数和(自身を含む): 36787824

約数和(自身を除く): 18065408

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16481, 32962, 65924, 131848, 263696, 1170151, 2340302, 4680604, 9361208, 18722416]

約数ペア:

[(1, 18722416), (2, 9361208), (4, 4680604), (8, 2340302), (16, 1170151), (71, 263696), (142, 131848), (284, 65924), (568, 32962), (1136, 16481)]