19840010

素因数分解:

$2^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1789}}^1$

素因数の和:2905

約数の個数: 16

約数和(自身を含む): 35764200

約数和(自身を除く): 15924190

約数列:

[1, 2, 5, 10, 1109, 1789, 2218, 3578, 5545, 8945, 11090, 17890, 1984001, 3968002, 9920005, 19840010]

約数ペア:

[(1, 19840010), (2, 9920005), (5, 3968002), (10, 1984001), (1109, 17890), (1789, 11090), (2218, 8945), (3578, 5545)]