19168360

素因数分解:

$2^3\times 5^1\times {\mathrm{479209}}^1$

素因数の和:479220

約数の個数: 16

約数和(自身を含む): 43128900

約数和(自身を除く): 23960540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479209, 958418, 1916836, 2396045, 3833672, 4792090, 9584180, 19168360]

約数ペア:

[(1, 19168360), (2, 9584180), (4, 4792090), (5, 3833672), (8, 2396045), (10, 1916836), (20, 958418), (40, 479209)]