219953918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{6899}}^1$

素因数の和:7759

約数の個数: 16

約数和(自身を含む): 347760000

約数和(自身を除く): 127806082

約数列:

[1, 2, 19, 38, 839, 1678, 6899, 13798, 15941, 31882, 131081, 262162, 5788261, 11576522, 109976959, 219953918]

約数ペア:

[(1, 219953918), (2, 109976959), (19, 11576522), (38, 5788261), (839, 262162), (1678, 131081), (6899, 31882), (13798, 15941)]