18854649

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{659}}^1$

素因数の和:710

約数の個数: 36

約数和(自身を含む): 31608720

約数和(自身を除く): 12754071

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 289, 561, 659, 867, 1683, 1977, 2601, 3179, 5931, 7249, 9537, 11203, 21747, 28611, 33609, 65241, 100827, 123233, 190451, 369699, 571353, 1109097, 1714059, 2094961, 6284883, 18854649]

約数ペア:

[(1, 18854649), (3, 6284883), (9, 2094961), (11, 1714059), (17, 1109097), (33, 571353), (51, 369699), (99, 190451), (153, 123233), (187, 100827), (289, 65241), (561, 33609), (659, 28611), (867, 21747), (1683, 11203), (1977, 9537), (2601, 7249), (3179, 5931)]