19990806

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{302891}}^1$

素因数の和:302907

約数の個数: 16

約数和(自身を含む): 43616448

約数和(自身を除く): 23625642

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 302891, 605782, 908673, 1817346, 3331801, 6663602, 9995403, 19990806]

約数ペア:

[(1, 19990806), (2, 9995403), (3, 6663602), (6, 3331801), (11, 1817346), (22, 908673), (33, 605782), (66, 302891)]