18907994

素因数分解:

$2^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{2917}}^1$

素因数の和:3389

約数の個数: 16

約数和(自身を含む): 32494848

約数和(自身を除く): 13586854

約数列:

[1, 2, 7, 14, 463, 926, 2917, 3241, 5834, 6482, 20419, 40838, 1350571, 2701142, 9453997, 18907994]

約数ペア:

[(1, 18907994), (2, 9453997), (7, 2701142), (14, 1350571), (463, 40838), (926, 20419), (2917, 6482), (3241, 5834)]