2011189906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{235007}}^1$

素因数の和:235409

約数の個数: 16

約数和(自身を含む): 3299512320

約数和(自身を除く): 1288322414

約数列:

[1, 2, 11, 22, 389, 778, 4279, 8558, 235007, 470014, 2585077, 5170154, 91417723, 182835446, 1005594953, 2011189906]

約数ペア:

[(1, 2011189906), (2, 1005594953), (11, 182835446), (22, 91417723), (389, 5170154), (778, 2585077), (4279, 470014), (8558, 235007)]