19969599

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3391}}^1$

素因数の和:3558

約数の個数: 16

約数和(自身を含む): 28872704

約数和(自身を除く): 8903105

約数列:

[1, 3, 13, 39, 151, 453, 1963, 3391, 5889, 10173, 44083, 132249, 512041, 1536123, 6656533, 19969599]

約数ペア:

[(1, 19969599), (3, 6656533), (13, 1536123), (39, 512041), (151, 132249), (453, 44083), (1963, 10173), (3391, 5889)]