19900762

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3329}}^1$

素因数の和:3406

約数の個数: 24

約数和(自身を含む): 35304660

約数和(自身を除く): 15403898

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3329, 5978, 6658, 23303, 46606, 163121, 203069, 326242, 406138, 1421483, 2842966, 9950381, 19900762]

約数ペア:

[(1, 19900762), (2, 9950381), (7, 2842966), (14, 1421483), (49, 406138), (61, 326242), (98, 203069), (122, 163121), (427, 46606), (854, 23303), (2989, 6658), (3329, 5978)]