19986328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131489}}^1$

素因数の和:131514

約数の個数: 16

約数和(自身を含む): 39447000

約数和(自身を除く): 19460672

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 131489, 262978, 525956, 1051912, 2498291, 4996582, 9993164, 19986328]

約数ペア:

[(1, 19986328), (2, 9993164), (4, 4996582), (8, 2498291), (19, 1051912), (38, 525956), (76, 262978), (152, 131489)]