19681986

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{172649}}^1$

素因数の和:172673

約数の個数: 16

約数和(自身を含む): 41436000

約数和(自身を除く): 21754014

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 172649, 345298, 517947, 1035894, 3280331, 6560662, 9840993, 19681986]

約数ペア:

[(1, 19681986), (2, 9840993), (3, 6560662), (6, 3280331), (19, 1035894), (38, 517947), (57, 345298), (114, 172649)]