19990155

素因数分解:

$3^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1733}}^1$

素因数の和:2510

約数の個数: 16

約数和(自身を含む): 32044320

約数和(自身を除く): 12054165

約数列:

[1, 3, 5, 15, 769, 1733, 2307, 3845, 5199, 8665, 11535, 25995, 1332677, 3998031, 6663385, 19990155]

約数ペア:

[(1, 19990155), (3, 6663385), (5, 3998031), (15, 1332677), (769, 25995), (1733, 11535), (2307, 8665), (3845, 5199)]