1879820

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 3976224

約数和(自身を除く): 2096404

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 487, 772, 965, 974, 1930, 1948, 2435, 3860, 4870, 9740, 93991, 187982, 375964, 469955, 939910, 1879820]

約数ペア:

[(1, 1879820), (2, 939910), (4, 469955), (5, 375964), (10, 187982), (20, 93991), (193, 9740), (386, 4870), (487, 3860), (772, 2435), (965, 1948), (974, 1930)]