19572278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7873}}^1$

素因数の和:7999

約数の個数: 16

約数和(自身を含む): 32314896

約数和(自身を除く): 12742618

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 7873, 15746, 86603, 173206, 889649, 1779298, 9786139, 19572278]

約数ペア:

[(1, 19572278), (2, 9786139), (11, 1779298), (22, 889649), (113, 173206), (226, 86603), (1243, 15746), (2486, 7873)]