19540060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22721}}^1$

素因数の和:22773

約数の個数: 24

約数和(自身を含む): 41990256

約数和(自身を除く): 22450196

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22721, 45442, 90884, 113605, 227210, 454420, 977003, 1954006, 3908012, 4885015, 9770030, 19540060]

約数ペア:

[(1, 19540060), (2, 9770030), (4, 4885015), (5, 3908012), (10, 1954006), (20, 977003), (43, 454420), (86, 227210), (172, 113605), (215, 90884), (430, 45442), (860, 22721)]