1828993820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{49459}}^1$

素因数の和:49554

約数の個数: 36

約数和(自身を含む): 3932366760

約数和(自身を除く): 2103372940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3698, 7396, 9245, 18490, 36980, 49459, 98918, 197836, 247295, 494590, 989180, 2126737, 4253474, 8506948, 10633685, 21267370, 42534740, 91449691, 182899382, 365798764, 457248455, 914496910, 1828993820]

約数ペア:

[(1, 1828993820), (2, 914496910), (4, 457248455), (5, 365798764), (10, 182899382), (20, 91449691), (43, 42534740), (86, 21267370), (172, 10633685), (215, 8506948), (430, 4253474), (860, 2126737), (1849, 989180), (3698, 494590), (7396, 247295), (9245, 197836), (18490, 98918), (36980, 49459)]