18889394

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8737}}^1$

素因数の和:8809

約数の個数: 16

約数和(自身を含む): 30198528

約数和(自身を除く): 11309134

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 8737, 17474, 200951, 401902, 410639, 821278, 9444697, 18889394]

約数ペア:

[(1, 18889394), (2, 9444697), (23, 821278), (46, 410639), (47, 401902), (94, 200951), (1081, 17474), (2162, 8737)]