19137872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{92009}}^1$

素因数の和:92030

約数の個数: 20

約数和(自身を含む): 39932340

約数和(自身を除く): 20794468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 92009, 184018, 368036, 736072, 1196117, 1472144, 2392234, 4784468, 9568936, 19137872]

約数ペア:

[(1, 19137872), (2, 9568936), (4, 4784468), (8, 2392234), (13, 1472144), (16, 1196117), (26, 736072), (52, 368036), (104, 184018), (208, 92009)]