18691283

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 21325920

約数和(自身を除く): 2634637

約数列:

[1, 13, 29, 43, 377, 559, 1153, 1247, 14989, 16211, 33437, 49579, 434681, 644527, 1437791, 18691283]

約数ペア:

[(1, 18691283), (13, 1437791), (29, 644527), (43, 434681), (377, 49579), (559, 33437), (1153, 16211), (1247, 14989)]