18152240

素因数分解:

$2^4\times 5^1\times {\mathrm{226903}}^1$

素因数の和:226916

約数の個数: 20

約数和(自身を含む): 42204144

約数和(自身を除く): 24051904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226903, 453806, 907612, 1134515, 1815224, 2269030, 3630448, 4538060, 9076120, 18152240]

約数ペア:

[(1, 18152240), (2, 9076120), (4, 4538060), (5, 3630448), (8, 2269030), (10, 1815224), (16, 1134515), (20, 907612), (40, 453806), (80, 226903)]