18964451

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 22439760

約数和(自身を除く): 3475309

約数列:

[1, 11, 19, 73, 113, 121, 209, 803, 1243, 1387, 2147, 2299, 8249, 8833, 13673, 15257, 23617, 90739, 156731, 167827, 259787, 998129, 1724041, 18964451]

約数ペア:

[(1, 18964451), (11, 1724041), (19, 998129), (73, 259787), (113, 167827), (121, 156731), (209, 90739), (803, 23617), (1243, 15257), (1387, 13673), (2147, 8833), (2299, 8249)]