18995911

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{4243}}^1$

素因数の和:4302

約数の個数: 12

約数和(自身を含む): 21449176

約数和(自身を除く): 2453265

約数列:

[1, 11, 37, 121, 407, 4243, 4477, 46673, 156991, 513403, 1726901, 18995911]

約数ペア:

[(1, 18995911), (11, 1726901), (37, 513403), (121, 156991), (407, 46673), (4243, 4477)]