18370480

素因数分解:

$2^4\times 5^1\times {\mathrm{229631}}^1$

素因数の和:229644

約数の個数: 20

約数和(自身を含む): 42711552

約数和(自身を除く): 24341072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229631, 459262, 918524, 1148155, 1837048, 2296310, 3674096, 4592620, 9185240, 18370480]

約数ペア:

[(1, 18370480), (2, 9185240), (4, 4592620), (5, 3674096), (8, 2296310), (10, 1837048), (16, 1148155), (20, 918524), (40, 459262), (80, 229631)]