19831298

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:757

約数の個数: 16

約数和(自身を含む): 30220344

約数和(自身を除く): 10389046

約数列:

[1, 2, 137, 157, 274, 314, 461, 922, 21509, 43018, 63157, 72377, 126314, 144754, 9915649, 19831298]

約数ペア:

[(1, 19831298), (2, 9915649), (137, 144754), (157, 126314), (274, 72377), (314, 63157), (461, 43018), (922, 21509)]