18513759

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5147}}^1$

素因数の和:5270

約数の個数: 16

約数和(自身を含む): 27181440

約数和(自身を除く): 8667681

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5147, 15441, 56617, 169851, 561023, 1683069, 6171253, 18513759]

約数ペア:

[(1, 18513759), (3, 6171253), (11, 1683069), (33, 561023), (109, 169851), (327, 56617), (1199, 15441), (3597, 5147)]