18790867

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 20792320

約数和(自身を除く): 2001453

約数列:

[1, 19, 31, 61, 523, 589, 1159, 1891, 9937, 16213, 31903, 35929, 308047, 606157, 988993, 18790867]

約数ペア:

[(1, 18790867), (19, 988993), (31, 606157), (61, 308047), (523, 35929), (589, 31903), (1159, 16213), (1891, 9937)]