19788136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{145501}}^1$

素因数の和:145524

約数の個数: 16

約数和(自身を含む): 39285540

約数和(自身を除く): 19497404

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 145501, 291002, 582004, 1164008, 2473517, 4947034, 9894068, 19788136]

約数ペア:

[(1, 19788136), (2, 9894068), (4, 4947034), (8, 2473517), (17, 1164008), (34, 582004), (68, 291002), (136, 145501)]