2181978

素因数分解:

$2^1\times 3^4\times {\mathrm{13469}}^1$

素因数の和:13483

約数の個数: 20

約数和(自身を含む): 4889610

約数和(自身を除く): 2707632

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 13469, 26938, 40407, 80814, 121221, 242442, 363663, 727326, 1090989, 2181978]

約数ペア:

[(1, 2181978), (2, 1090989), (3, 727326), (6, 363663), (9, 242442), (18, 121221), (27, 80814), (54, 40407), (81, 26938), (162, 13469)]