19453240

素因数分解:

$2^3\times 5^1\times {\mathrm{486331}}^1$

素因数の和:486342

約数の個数: 16

約数和(自身を含む): 43769880

約数和(自身を除く): 24316640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486331, 972662, 1945324, 2431655, 3890648, 4863310, 9726620, 19453240]

約数ペア:

[(1, 19453240), (2, 9726620), (4, 4863310), (5, 3890648), (8, 2431655), (10, 1945324), (20, 972662), (40, 486331)]