12988666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7949}}^1$

素因数の和:8013

約数の個数: 16

約数和(自身を含む): 20988000

約数和(自身を除く): 7999334

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 7949, 15898, 151031, 302062, 341807, 683614, 6494333, 12988666]

約数ペア:

[(1, 12988666), (2, 6494333), (19, 683614), (38, 341807), (43, 302062), (86, 151031), (817, 15898), (1634, 7949)]