19954972

素因数分解:

$2^2\times {\mathrm{563}}^1\times {\mathrm{8861}}^1$

素因数の和:9428

約数の個数: 12

約数和(自身を含む): 34987176

約数和(自身を除く): 15032204

約数列:

[1, 2, 4, 563, 1126, 2252, 8861, 17722, 35444, 4988743, 9977486, 19954972]

約数ペア:

[(1, 19954972), (2, 9977486), (4, 4988743), (563, 35444), (1126, 17722), (2252, 8861)]