18614817

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 29101800

約数和(自身を除く): 10486983

約数列:

[1, 3, 9, 13, 39, 117, 389, 409, 1167, 1227, 3501, 3681, 5057, 5317, 15171, 15951, 45513, 47853, 159101, 477303, 1431909, 2068313, 6204939, 18614817]

約数ペア:

[(1, 18614817), (3, 6204939), (9, 2068313), (13, 1431909), (39, 477303), (117, 159101), (389, 47853), (409, 45513), (1167, 15951), (1227, 15171), (3501, 5317), (3681, 5057)]