19805462621

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1\times {\mathrm{3001}}^1$

素因数の和:4845

約数の個数: 32

約数和(自身を含む): 24761456640

約数和(自身を除く): 4955994019

約数列:

[1, 7, 17, 31, 119, 217, 527, 1789, 3001, 3689, 12523, 21007, 30413, 51017, 55459, 93031, 212891, 357119, 388213, 651217, 942803, 1581527, 5368789, 6599621, 11070689, 37581523, 91269413, 166432459, 638885891, 1165027213, 2829351803, 19805462621]

約数ペア:

[(1, 19805462621), (7, 2829351803), (17, 1165027213), (31, 638885891), (119, 166432459), (217, 91269413), (527, 37581523), (1789, 11070689), (3001, 6599621), (3689, 5368789), (12523, 1581527), (21007, 942803), (30413, 651217), (51017, 388213), (55459, 357119), (93031, 212891)]