12665438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4219}}^1$

素因数の和:4319

約数の個数: 16

約数和(自身を含む): 20256000

約数和(自身を除く): 7590562

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 4219, 8438, 80161, 160322, 333301, 666602, 6332719, 12665438]

約数ペア:

[(1, 12665438), (2, 6332719), (19, 666602), (38, 333301), (79, 160322), (158, 80161), (1501, 8438), (3002, 4219)]