19799091

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 30990960

約数和(自身を除く): 11191869

約数列:

[1, 3, 9, 13, 39, 117, 197, 591, 859, 1773, 2561, 2577, 7683, 7731, 11167, 23049, 33501, 100503, 169223, 507669, 1523007, 2199899, 6599697, 19799091]

約数ペア:

[(1, 19799091), (3, 6599697), (9, 2199899), (13, 1523007), (39, 507669), (117, 169223), (197, 100503), (591, 33501), (859, 23049), (1773, 11167), (2561, 7731), (2577, 7683)]