18942309

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{4201}}^1$

素因数の和:4377

約数の個数: 16

約数和(自身を含む): 28237440

約数和(自身を除く): 9295131

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4201, 4509, 12603, 37809, 113427, 701567, 2104701, 6314103, 18942309]

約数ペア:

[(1, 18942309), (3, 6314103), (9, 2104701), (27, 701567), (167, 113427), (501, 37809), (1503, 12603), (4201, 4509)]