19877228

素因数分解:

$2^2\times 7^1\times {\mathrm{709901}}^1$

素因数の和:709912

約数の個数: 12

約数和(自身を含む): 39754512

約数和(自身を除く): 19877284

約数列:

[1, 2, 4, 7, 14, 28, 709901, 1419802, 2839604, 4969307, 9938614, 19877228]

約数ペア:

[(1, 19877228), (2, 9938614), (4, 4969307), (7, 2839604), (14, 1419802), (28, 709901)]