18448880

素因数分解:

$2^4\times 5^1\times {\mathrm{230611}}^1$

素因数の和:230624

約数の個数: 20

約数和(自身を含む): 42893832

約数和(自身を除く): 24444952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230611, 461222, 922444, 1153055, 1844888, 2306110, 3689776, 4612220, 9224440, 18448880]

約数ペア:

[(1, 18448880), (2, 9224440), (4, 4612220), (5, 3689776), (8, 2306110), (10, 1844888), (16, 1153055), (20, 922444), (40, 461222), (80, 230611)]