16265180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18913}}^1$

素因数の和:18965

約数の個数: 24

約数和(自身を含む): 34953072

約数和(自身を除く): 18687892

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 18913, 37826, 75652, 94565, 189130, 378260, 813259, 1626518, 3253036, 4066295, 8132590, 16265180]

約数ペア:

[(1, 16265180), (2, 8132590), (4, 4066295), (5, 3253036), (10, 1626518), (20, 813259), (43, 378260), (86, 189130), (172, 94565), (215, 75652), (430, 37826), (860, 18913)]