19806151

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 22141440

約数和(自身を除く): 2335289

約数列:

[1, 19, 23, 61, 437, 743, 1159, 1403, 14117, 17089, 26657, 45323, 324691, 861137, 1042429, 19806151]

約数ペア:

[(1, 19806151), (19, 1042429), (23, 861137), (61, 324691), (437, 45323), (743, 26657), (1159, 17089), (1403, 14117)]