19936735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 10222625

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1019, 1505, 2795, 3913, 5095, 7133, 13247, 19565, 35665, 43817, 66235, 92729, 219085, 306719, 463645, 569621, 1533595, 2848105, 3987347, 19936735]

約数ペア:

[(1, 19936735), (5, 3987347), (7, 2848105), (13, 1533595), (35, 569621), (43, 463645), (65, 306719), (91, 219085), (215, 92729), (301, 66235), (455, 43817), (559, 35665), (1019, 19565), (1505, 13247), (2795, 7133), (3913, 5095)]