19553281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3373}}^1$

素因数の和:3432

約数の個数: 16

約数和(自身を含む): 23321088

約数和(自身を除く): 3767807

約数列:

[1, 11, 17, 31, 187, 341, 527, 3373, 5797, 37103, 57341, 104563, 630751, 1150193, 1777571, 19553281]

約数ペア:

[(1, 19553281), (11, 1777571), (17, 1150193), (31, 630751), (187, 104563), (341, 57341), (527, 37103), (3373, 5797)]