19666712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1489}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 40051200

約数和(自身を除く): 20384488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1489, 1651, 2978, 3302, 5956, 6604, 11912, 13208, 19357, 38714, 77428, 154856, 189103, 378206, 756412, 1512824, 2458339, 4916678, 9833356, 19666712]

約数ペア:

[(1, 19666712), (2, 9833356), (4, 4916678), (8, 2458339), (13, 1512824), (26, 756412), (52, 378206), (104, 189103), (127, 154856), (254, 77428), (508, 38714), (1016, 19357), (1489, 13208), (1651, 11912), (2978, 6604), (3302, 5956)]