18431957

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 20173440

約数和(自身を除く): 1741483

約数列:

[1, 19, 37, 157, 167, 703, 2983, 3173, 5809, 6179, 26219, 110371, 117401, 498161, 970103, 18431957]

約数ペア:

[(1, 18431957), (19, 970103), (37, 498161), (157, 117401), (167, 110371), (703, 26219), (2983, 6179), (3173, 5809)]