18376240

素因数分解:

$2^4\times 5^1\times {\mathrm{229703}}^1$

素因数の和:229716

約数の個数: 20

約数和(自身を含む): 42724944

約数和(自身を除く): 24348704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229703, 459406, 918812, 1148515, 1837624, 2297030, 3675248, 4594060, 9188120, 18376240]

約数ペア:

[(1, 18376240), (2, 9188120), (4, 4594060), (5, 3675248), (8, 2297030), (10, 1837624), (16, 1148515), (20, 918812), (40, 459406), (80, 229703)]