18816759

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53609}}^1$

素因数の和:53631

約数の個数: 16

約数和(自身を含む): 30021600

約数和(自身を除く): 11204841

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53609, 160827, 482481, 696917, 1447443, 2090751, 6272253, 18816759]

約数ペア:

[(1, 18816759), (3, 6272253), (9, 2090751), (13, 1447443), (27, 696917), (39, 482481), (117, 160827), (351, 53609)]