19680680

素因数分解:

$2^3\times 5^1\times {\mathrm{492017}}^1$

素因数の和:492028

約数の個数: 16

約数和(自身を含む): 44281620

約数和(自身を除く): 24600940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 492017, 984034, 1968068, 2460085, 3936136, 4920170, 9840340, 19680680]

約数ペア:

[(1, 19680680), (2, 9840340), (4, 4920170), (5, 3936136), (8, 2460085), (10, 1968068), (20, 984034), (40, 492017)]