19898065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1093}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 26150976

約数和(自身を除く): 6252911

約数列:

[1, 5, 11, 55, 331, 1093, 1655, 3641, 5465, 12023, 18205, 60115, 361783, 1808915, 3979613, 19898065]

約数ペア:

[(1, 19898065), (5, 3979613), (11, 1808915), (55, 361783), (331, 60115), (1093, 18205), (1655, 12023), (3641, 5465)]