19627989820

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3731557}}^1$

素因数の和:3731829

約数の個数: 24

約数和(自身を含む): 41375515104

約数和(自身を除く): 21747525284

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 3731557, 7463114, 14926228, 18657785, 37315570, 74631140, 981399491, 1962798982, 3925597964, 4906997455, 9813994910, 19627989820]

約数ペア:

[(1, 19627989820), (2, 9813994910), (4, 4906997455), (5, 3925597964), (10, 1962798982), (20, 981399491), (263, 74631140), (526, 37315570), (1052, 18657785), (1315, 14926228), (2630, 7463114), (5260, 3731557)]