12921254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1009}}^1$

素因数の和:1367

約数の個数: 16

約数和(自身を含む): 20482800

約数和(自身を除く): 7561546

約数列:

[1, 2, 19, 38, 337, 674, 1009, 2018, 6403, 12806, 19171, 38342, 340033, 680066, 6460627, 12921254]

約数ペア:

[(1, 12921254), (2, 6460627), (19, 680066), (38, 340033), (337, 38342), (674, 19171), (1009, 12806), (2018, 6403)]