18878258

素因数分解:

$2^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2137}}^1$

素因数の和:2777

約数の個数: 16

約数和(自身を含む): 32429184

約数和(自身を除く): 13550926

約数列:

[1, 2, 7, 14, 631, 1262, 2137, 4274, 4417, 8834, 14959, 29918, 1348447, 2696894, 9439129, 18878258]

約数ペア:

[(1, 18878258), (2, 9439129), (7, 2696894), (14, 1348447), (631, 29918), (1262, 14959), (2137, 8834), (4274, 4417)]