19964527

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 22708224

約数和(自身を除く): 2743697

約数列:

[1, 11, 31, 127, 341, 461, 1397, 3937, 5071, 14291, 43307, 58547, 157201, 644017, 1814957, 19964527]

約数ペア:

[(1, 19964527), (11, 1814957), (31, 644017), (127, 157201), (341, 58547), (461, 43307), (1397, 14291), (3937, 5071)]