193444820

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{20981}}^1$

素因数の和:21451

約数の個数: 24

約数和(自身を含む): 407134728

約数和(自身を除く): 213689908

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 20981, 41962, 83924, 104905, 209810, 419620, 9672241, 19344482, 38688964, 48361205, 96722410, 193444820]

約数ペア:

[(1, 193444820), (2, 96722410), (4, 48361205), (5, 38688964), (10, 19344482), (20, 9672241), (461, 419620), (922, 209810), (1844, 104905), (2305, 83924), (4610, 41962), (9220, 20981)]