18242150

素因数分解:

$2^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{919}}^1$

素因数の和:1328

約数の個数: 24

約数和(自身を含む): 34052880

約数和(自身を除く): 15810730

約数列:

[1, 2, 5, 10, 25, 50, 397, 794, 919, 1838, 1985, 3970, 4595, 9190, 9925, 19850, 22975, 45950, 364843, 729686, 1824215, 3648430, 9121075, 18242150]

約数ペア:

[(1, 18242150), (2, 9121075), (5, 3648430), (10, 1824215), (25, 729686), (50, 364843), (397, 45950), (794, 22975), (919, 19850), (1838, 9925), (1985, 9190), (3970, 4595)]