19714840

素因数分解:

$2^3\times 5^1\times {\mathrm{492871}}^1$

素因数の和:492882

約数の個数: 16

約数和(自身を含む): 44358480

約数和(自身を除く): 24643640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 492871, 985742, 1971484, 2464355, 3942968, 4928710, 9857420, 19714840]

約数ペア:

[(1, 19714840), (2, 9857420), (4, 4928710), (5, 3942968), (8, 2464355), (10, 1971484), (20, 985742), (40, 492871)]