19995222

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256349}}^1$

素因数の和:256367

約数の個数: 16

約数和(自身を含む): 43066800

約数和(自身を除く): 23071578

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 256349, 512698, 769047, 1538094, 3332537, 6665074, 9997611, 19995222]

約数ペア:

[(1, 19995222), (2, 9997611), (3, 6665074), (6, 3332537), (13, 1538094), (26, 769047), (39, 512698), (78, 256349)]