19847818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11113}}^1$

素因数の和:11181

約数の個数: 16

約数和(自身を含む): 32008320

約数和(自身を除く): 12160502

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11113, 22226, 211147, 422294, 522311, 1044622, 9923909, 19847818]

約数ペア:

[(1, 19847818), (2, 9923909), (19, 1044622), (38, 522311), (47, 422294), (94, 211147), (893, 22226), (1786, 11113)]