17957959

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 19353600

約数和(自身を除く): 1395641

約数列:

[1, 31, 41, 71, 199, 1271, 2201, 2911, 6169, 8159, 14129, 90241, 252929, 437999, 579289, 17957959]

約数ペア:

[(1, 17957959), (31, 579289), (41, 437999), (71, 252929), (199, 90241), (1271, 14129), (2201, 8159), (2911, 6169)]