18811377

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{160781}}^1$

素因数の和:160800

約数の個数: 12

約数和(自身を含む): 29262324

約数和(自身を除く): 10450947

約数列:

[1, 3, 9, 13, 39, 117, 160781, 482343, 1447029, 2090153, 6270459, 18811377]

約数ペア:

[(1, 18811377), (3, 6270459), (9, 2090153), (13, 1447029), (39, 482343), (117, 160781)]