19907193

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4919}}^1$

素因数の和:5012

約数の個数: 16

約数和(自身を含む): 28339200

約数和(自身を除く): 8432007

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 4919, 14757, 93461, 280383, 349249, 1047747, 6635731, 19907193]

約数ペア:

[(1, 19907193), (3, 6635731), (19, 1047747), (57, 349249), (71, 280383), (213, 93461), (1349, 14757), (4047, 4919)]