18944588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2621}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 35973840

約数和(自身を除く): 17029252

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 2621, 3614, 5242, 7228, 10484, 34073, 68146, 136292, 364319, 728638, 1457276, 4736147, 9472294, 18944588]

約数ペア:

[(1, 18944588), (2, 9472294), (4, 4736147), (13, 1457276), (26, 728638), (52, 364319), (139, 136292), (278, 68146), (556, 34073), (1807, 10484), (2621, 7228), (3614, 5242)]