19237274

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2137}}^1$

素因数の和:2789

約数の個数: 16

約数和(自身を含む): 33044928

約数和(自身を除く): 13807654

約数列:

[1, 2, 7, 14, 643, 1286, 2137, 4274, 4501, 9002, 14959, 29918, 1374091, 2748182, 9618637, 19237274]

約数ペア:

[(1, 19237274), (2, 9618637), (7, 2748182), (14, 1374091), (643, 29918), (1286, 14959), (2137, 9002), (4274, 4501)]