18507760

素因数分解:

$2^4\times 5^1\times {\mathrm{231347}}^1$

素因数の和:231360

約数の個数: 20

約数和(自身を含む): 43030728

約数和(自身を除く): 24522968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231347, 462694, 925388, 1156735, 1850776, 2313470, 3701552, 4626940, 9253880, 18507760]

約数ペア:

[(1, 18507760), (2, 9253880), (4, 4626940), (5, 3701552), (8, 2313470), (10, 1850776), (16, 1156735), (20, 925388), (40, 462694), (80, 231347)]