18519242

素因数分解:

$2^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{2137}}^1$

素因数の和:2765

約数の個数: 16

約数和(自身を含む): 31813440

約数和(自身を除く): 13294198

約数列:

[1, 2, 7, 14, 619, 1238, 2137, 4274, 4333, 8666, 14959, 29918, 1322803, 2645606, 9259621, 18519242]

約数ペア:

[(1, 18519242), (2, 9259621), (7, 2645606), (14, 1322803), (619, 29918), (1238, 14959), (2137, 8666), (4274, 4333)]