18151238

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 32496384

約数和(自身を除く): 14345146

約数列:

[1, 2, 7, 14, 37, 67, 74, 134, 259, 469, 518, 523, 938, 1046, 2479, 3661, 4958, 7322, 17353, 19351, 34706, 35041, 38702, 70082, 135457, 245287, 270914, 490574, 1296517, 2593034, 9075619, 18151238]

約数ペア:

[(1, 18151238), (2, 9075619), (7, 2593034), (14, 1296517), (37, 490574), (67, 270914), (74, 245287), (134, 135457), (259, 70082), (469, 38702), (518, 35041), (523, 34706), (938, 19351), (1046, 17353), (2479, 7322), (3661, 4958)]