19955426

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{1327}}^1$

素因数の和:1505

約数の個数: 16

約数和(自身を含む): 30660864

約数和(自身を除く): 10705438

約数列:

[1, 2, 73, 103, 146, 206, 1327, 2654, 7519, 15038, 96871, 136681, 193742, 273362, 9977713, 19955426]

約数ペア:

[(1, 19955426), (2, 9977713), (73, 273362), (103, 193742), (146, 136681), (206, 96871), (1327, 15038), (2654, 7519)]