18780189

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19381}}^1$

素因数の和:19420

約数の個数: 16

約数和(自身を含む): 27910080

約数和(自身を除く): 9129891

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 19381, 58143, 329477, 368239, 988431, 1104717, 6260063, 18780189]

約数ペア:

[(1, 18780189), (3, 6260063), (17, 1104717), (19, 988431), (51, 368239), (57, 329477), (323, 58143), (969, 19381)]