218216026

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{820361}}^1$

素因数の和:820389

約数の個数: 16

約数和(自身を含む): 393773760

約数和(自身を除く): 175557734

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 820361, 1640722, 5742527, 11485054, 15586859, 31173718, 109108013, 218216026]

約数ペア:

[(1, 218216026), (2, 109108013), (7, 31173718), (14, 15586859), (19, 11485054), (38, 5742527), (133, 1640722), (266, 820361)]