19864016

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3517}}^1$

素因数の和:3878

約数の個数: 20

約数和(自身を含む): 38606532

約数和(自身を除く): 18742516

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 3517, 5648, 7034, 14068, 28136, 56272, 1241501, 2483002, 4966004, 9932008, 19864016]

約数ペア:

[(1, 19864016), (2, 9932008), (4, 4966004), (8, 2483002), (16, 1241501), (353, 56272), (706, 28136), (1412, 14068), (2824, 7034), (3517, 5648)]