19944

素因数分解:

$2^3\times 3^2\times {\mathrm{277}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 54210

約数和(自身を除く): 34266

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277, 554, 831, 1108, 1662, 2216, 2493, 3324, 4986, 6648, 9972, 19944]

約数ペア:

[(1, 19944), (2, 9972), (3, 6648), (4, 4986), (6, 3324), (8, 2493), (9, 2216), (12, 1662), (18, 1108), (24, 831), (36, 554), (72, 277)]