18881270

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{28181}}^1$

素因数の和:28255

約数の個数: 16

約数和(自身を含む): 34494768

約数和(自身を除く): 15613498

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 28181, 56362, 140905, 281810, 1888127, 3776254, 9440635, 18881270]

約数ペア:

[(1, 18881270), (2, 9440635), (5, 3776254), (10, 1888127), (67, 281810), (134, 140905), (335, 56362), (670, 28181)]