19492280

素因数分解:

$2^3\times 5^1\times {\mathrm{487307}}^1$

素因数の和:487318

約数の個数: 16

約数和(自身を含む): 43857720

約数和(自身を除く): 24365440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487307, 974614, 1949228, 2436535, 3898456, 4873070, 9746140, 19492280]

約数ペア:

[(1, 19492280), (2, 9746140), (4, 4873070), (5, 3898456), (8, 2436535), (10, 1949228), (20, 974614), (40, 487307)]