1999386321

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{267763}}^1$

素因数の和:267916

約数の個数: 16

約数和(自身を含む): 2827587840

約数和(自身を除く): 828201519

約数列:

[1, 3, 19, 57, 131, 393, 2489, 7467, 267763, 803289, 5087497, 15262491, 35076953, 105230859, 666462107, 1999386321]

約数ペア:

[(1, 1999386321), (3, 666462107), (19, 105230859), (57, 35076953), (131, 15262491), (393, 5087497), (2489, 803289), (7467, 267763)]