18781574

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20023}}^1$

素因数の和:20099

約数の個数: 16

約数和(自身を含む): 32679168

約数和(自身を除く): 13897594

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 20023, 40046, 140161, 280322, 1341541, 2683082, 9390787, 18781574]

約数ペア:

[(1, 18781574), (2, 9390787), (7, 2683082), (14, 1341541), (67, 280322), (134, 140161), (469, 40046), (938, 20023)]