19772806

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11071}}^1$

素因数の和:11139

約数の個数: 16

約数和(自身を含む): 31887360

約数和(自身を除く): 12114554

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11071, 22142, 210349, 420698, 520337, 1040674, 9886403, 19772806]

約数ペア:

[(1, 19772806), (2, 9886403), (19, 1040674), (38, 520337), (47, 420698), (94, 210349), (893, 22142), (1786, 11071)]