19489613

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1867}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 23222976

約数和(自身を除く): 3733363

約数列:

[1, 11, 13, 73, 143, 803, 949, 1867, 10439, 20537, 24271, 136291, 266981, 1499201, 1771783, 19489613]

約数ペア:

[(1, 19489613), (11, 1771783), (13, 1499201), (73, 266981), (143, 136291), (803, 24271), (949, 20537), (1867, 10439)]