16719728

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{9587}}^1$

素因数の和:9704

約数の個数: 20

約数和(自身を含む): 32695080

約数和(自身を除く): 15975352

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 9587, 19174, 38348, 76696, 153392, 1044983, 2089966, 4179932, 8359864, 16719728]

約数ペア:

[(1, 16719728), (2, 8359864), (4, 4179932), (8, 2089966), (16, 1044983), (109, 153392), (218, 76696), (436, 38348), (872, 19174), (1744, 9587)]