12759982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{821}}^1$

素因数の和:1251

約数の個数: 16

約数和(自身を含む): 20221200

約数和(自身を除く): 7461218

約数列:

[1, 2, 19, 38, 409, 818, 821, 1642, 7771, 15542, 15599, 31198, 335789, 671578, 6379991, 12759982]

約数ペア:

[(1, 12759982), (2, 6379991), (19, 671578), (38, 335789), (409, 31198), (818, 15599), (821, 15542), (1642, 7771)]