19923686

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{877}}^1$

素因数の和:1223

約数の個数: 16

約数和(自身を含む): 30828336

約数和(自身を除く): 10904650

約数列:

[1, 2, 37, 74, 307, 614, 877, 1754, 11359, 22718, 32449, 64898, 269239, 538478, 9961843, 19923686]

約数ペア:

[(1, 19923686), (2, 9961843), (37, 538478), (74, 269239), (307, 64898), (614, 32449), (877, 22718), (1754, 11359)]