19921367

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 1851433

約数列:

[1, 19, 41, 107, 239, 779, 2033, 4387, 4541, 9799, 25573, 83353, 186181, 485887, 1048493, 19921367]

約数ペア:

[(1, 19921367), (19, 1048493), (41, 485887), (107, 186181), (239, 83353), (779, 25573), (2033, 9799), (4387, 4541)]