19286956

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 36

約数和(自身を含む): 37036272

約数和(自身を除く): 17749316

約数列:

[1, 2, 4, 13, 26, 52, 103, 169, 206, 277, 338, 412, 554, 676, 1108, 1339, 2678, 3601, 5356, 7202, 14404, 17407, 28531, 34814, 46813, 57062, 69628, 93626, 114124, 187252, 370903, 741806, 1483612, 4821739, 9643478, 19286956]

約数ペア:

[(1, 19286956), (2, 9643478), (4, 4821739), (13, 1483612), (26, 741806), (52, 370903), (103, 187252), (169, 114124), (206, 93626), (277, 69628), (338, 57062), (412, 46813), (554, 34814), (676, 28531), (1108, 17407), (1339, 14404), (2678, 7202), (3601, 5356)]