18728240

素因数分解:

$2^4\times 5^1\times {\mathrm{234103}}^1$

素因数の和:234116

約数の個数: 20

約数和(自身を含む): 43543344

約数和(自身を除く): 24815104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234103, 468206, 936412, 1170515, 1872824, 2341030, 3745648, 4682060, 9364120, 18728240]

約数ペア:

[(1, 18728240), (2, 9364120), (4, 4682060), (5, 3745648), (8, 2341030), (10, 1872824), (16, 1170515), (20, 936412), (40, 468206), (80, 234103)]