18904318

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2127

約数の個数: 16

約数和(自身を含む): 29199744

約数和(自身を除く): 10295426

約数列:

[1, 2, 67, 71, 134, 142, 1987, 3974, 4757, 9514, 133129, 141077, 266258, 282154, 9452159, 18904318]

約数ペア:

[(1, 18904318), (2, 9452159), (67, 282154), (71, 266258), (134, 141077), (142, 133129), (1987, 9514), (3974, 4757)]