19666986

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{18947}}^1$

素因数の和:19125

約数の個数: 16

約数和(自身を含む): 39563424

約数和(自身を除く): 19896438

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 18947, 37894, 56841, 113682, 3277831, 6555662, 9833493, 19666986]

約数ペア:

[(1, 19666986), (2, 9833493), (3, 6555662), (6, 3277831), (173, 113682), (346, 56841), (519, 37894), (1038, 18947)]