18728743

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{4993}}^1$

素因数の和:5046

約数の個数: 12

約数和(自身を含む): 21254464

約数和(自身を除く): 2525721

約数列:

[1, 11, 31, 121, 341, 3751, 4993, 54923, 154783, 604153, 1702613, 18728743]

約数ペア:

[(1, 18728743), (11, 1702613), (31, 604153), (121, 154783), (341, 54923), (3751, 4993)]