18780770

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{28031}}^1$

素因数の和:28105

約数の個数: 16

約数和(自身を含む): 34311168

約数和(自身を除く): 15530398

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 28031, 56062, 140155, 280310, 1878077, 3756154, 9390385, 18780770]

約数ペア:

[(1, 18780770), (2, 9390385), (5, 3756154), (10, 1878077), (67, 280310), (134, 140155), (335, 56062), (670, 28031)]