19528360

素因数分解:

$2^3\times 5^1\times {\mathrm{488209}}^1$

素因数の和:488220

約数の個数: 16

約数和(自身を含む): 43938900

約数和(自身を除く): 24410540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 488209, 976418, 1952836, 2441045, 3905672, 4882090, 9764180, 19528360]

約数ペア:

[(1, 19528360), (2, 9764180), (4, 4882090), (5, 3905672), (8, 2441045), (10, 1952836), (20, 976418), (40, 488209)]