1991231464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{13100207}}^1$

素因数の和:13100232

約数の個数: 16

約数和(自身を含む): 3930062400

約数和(自身を除く): 1938830936

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 13100207, 26200414, 52400828, 104801656, 248903933, 497807866, 995615732, 1991231464]

約数ペア:

[(1, 1991231464), (2, 995615732), (4, 497807866), (8, 248903933), (19, 104801656), (38, 52400828), (76, 26200414), (152, 13100207)]