18935780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49831}}^1$

素因数の和:49859

約数の個数: 24

約数和(自身を含む): 41858880

約数和(自身を除く): 22923100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49831, 99662, 199324, 249155, 498310, 946789, 996620, 1893578, 3787156, 4733945, 9467890, 18935780]

約数ペア:

[(1, 18935780), (2, 9467890), (4, 4733945), (5, 3787156), (10, 1893578), (19, 996620), (20, 946789), (38, 498310), (76, 249155), (95, 199324), (190, 99662), (380, 49831)]