218654018

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{82139}}^1$

素因数の和:82174

約数の個数: 16

約数和(自身を含む): 360758880

約数和(自身を除く): 142104862

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 82139, 164278, 903529, 1807058, 9938819, 19877638, 109327009, 218654018]

約数ペア:

[(1, 218654018), (2, 109327009), (11, 19877638), (22, 9938819), (121, 1807058), (242, 903529), (1331, 164278), (2662, 82139)]