18731120

素因数分解:

$2^4\times 5^1\times {\mathrm{234139}}^1$

素因数の和:234152

約数の個数: 20

約数和(自身を含む): 43550040

約数和(自身を除く): 24818920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234139, 468278, 936556, 1170695, 1873112, 2341390, 3746224, 4682780, 9365560, 18731120]

約数ペア:

[(1, 18731120), (2, 9365560), (4, 4682780), (5, 3746224), (8, 2341390), (10, 1873112), (16, 1170695), (20, 936556), (40, 468278), (80, 234139)]