19895831

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2054

約数の個数: 16

約数和(自身を含む): 22901760

約数和(自身を除く): 3005929

約数列:

[1, 17, 19, 31, 323, 527, 589, 1987, 10013, 33779, 37753, 61597, 641801, 1047149, 1170343, 19895831]

約数ペア:

[(1, 19895831), (17, 1170343), (19, 1047149), (31, 641801), (323, 61597), (527, 37753), (589, 33779), (1987, 10013)]