19662968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189067}}^1$

素因数の和:189086

約数の個数: 16

約数和(自身を含む): 39704280

約数和(自身を除く): 20041312

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189067, 378134, 756268, 1512536, 2457871, 4915742, 9831484, 19662968]

約数ペア:

[(1, 19662968), (2, 9831484), (4, 4915742), (8, 2457871), (13, 1512536), (26, 756268), (52, 378134), (104, 189067)]