18947877

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28579}}^1$

素因数の和:28612

約数の個数: 16

約数和(自身を含む): 28808640

約数和(自身を除く): 9860763

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28579, 85737, 371527, 485843, 1114581, 1457529, 6315959, 18947877]

約数ペア:

[(1, 18947877), (3, 6315959), (13, 1457529), (17, 1114581), (39, 485843), (51, 371527), (221, 85737), (663, 28579)]