19954922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1973}}^1$

素因数の和:2377

約数の個数: 16

約数和(自身を含む): 32334120

約数和(自身を除く): 12379198

約数列:

[1, 2, 13, 26, 389, 778, 1973, 3946, 5057, 10114, 25649, 51298, 767497, 1534994, 9977461, 19954922]

約数ペア:

[(1, 19954922), (2, 9977461), (13, 1534994), (26, 767497), (389, 51298), (778, 25649), (1973, 10114), (3946, 5057)]