219982

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:855

約数の個数: 16

約数和(自身を含む): 397440

約数和(自身を除く): 177458

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 827, 1654, 5789, 11578, 15713, 31426, 109991, 219982]

約数ペア:

[(1, 219982), (2, 109991), (7, 31426), (14, 15713), (19, 11578), (38, 5789), (133, 1654), (266, 827)]