165956944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{545911}}^1$

素因数の和:545938

約数の個数: 20

約数和(自身を含む): 338465440

約数和(自身を除く): 172508496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 545911, 1091822, 2183644, 4367288, 8734576, 10372309, 20744618, 41489236, 82978472, 165956944]

約数ペア:

[(1, 165956944), (2, 82978472), (4, 41489236), (8, 20744618), (16, 10372309), (19, 8734576), (38, 4367288), (76, 2183644), (152, 1091822), (304, 545911)]