9138940

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1151}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 19256832

約数和(自身を除く): 10117892

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1151, 1588, 1985, 2302, 3970, 4604, 5755, 7940, 11510, 23020, 456947, 913894, 1827788, 2284735, 4569470, 9138940]

約数ペア:

[(1, 9138940), (2, 4569470), (4, 2284735), (5, 1827788), (10, 913894), (20, 456947), (397, 23020), (794, 11510), (1151, 7940), (1588, 5755), (1985, 4604), (2302, 3970)]