19889065

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33427}}^1$

素因数の和:33456

約数の個数: 16

約数和(自身を含む): 28881792

約数和(自身を除く): 8992727

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 33427, 167135, 233989, 568259, 1169945, 2841295, 3977813, 19889065]

約数ペア:

[(1, 19889065), (5, 3977813), (7, 2841295), (17, 1169945), (35, 568259), (85, 233989), (119, 167135), (595, 33427)]