18812930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 35221824

約数和(自身を除く): 16408894

約数列:

[1, 2, 5, 10, 43, 67, 86, 134, 215, 335, 430, 653, 670, 1306, 2881, 3265, 5762, 6530, 14405, 28079, 28810, 43751, 56158, 87502, 140395, 218755, 280790, 437510, 1881293, 3762586, 9406465, 18812930]

約数ペア:

[(1, 18812930), (2, 9406465), (5, 3762586), (10, 1881293), (43, 437510), (67, 280790), (86, 218755), (134, 140395), (215, 87502), (335, 56158), (430, 43751), (653, 28810), (670, 28079), (1306, 14405), (2881, 6530), (3265, 5762)]