19302478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5419}}^1$

素因数の和:5571

約数の個数: 16

約数和(自身を含む): 31414320

約数和(自身を除く): 12111842

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5419, 10838, 70447, 140894, 742403, 1484806, 9651239, 19302478]

約数ペア:

[(1, 19302478), (2, 9651239), (13, 1484806), (26, 742403), (137, 140894), (274, 70447), (1781, 10838), (3562, 5419)]