19183219

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 22561056

約数和(自身を除く): 3377837

約数列:

[1, 11, 23, 61, 113, 121, 253, 671, 1243, 1403, 2599, 2783, 6893, 7381, 13673, 15433, 28589, 75823, 158539, 169763, 314479, 834053, 1743929, 19183219]

約数ペア:

[(1, 19183219), (11, 1743929), (23, 834053), (61, 314479), (113, 169763), (121, 158539), (253, 75823), (671, 28589), (1243, 15433), (1403, 13673), (2599, 7381), (2783, 6893)]