218868138

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{528667}}^1$

素因数の和:528698

約数の個数: 24

約数和(自身を含む): 494833248

約数和(自身を除く): 275965110

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 528667, 1057334, 1586001, 3172002, 4758003, 9516006, 12159341, 24318682, 36478023, 72956046, 109434069, 218868138]

約数ペア:

[(1, 218868138), (2, 109434069), (3, 72956046), (6, 36478023), (9, 24318682), (18, 12159341), (23, 9516006), (46, 4758003), (69, 3172002), (138, 1586001), (207, 1057334), (414, 528667)]