19864030

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27211}}^1$

素因数の和:27291

約数の個数: 16

約数和(自身を含む): 36246384

約数和(自身を除く): 16382354

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 27211, 54422, 136055, 272110, 1986403, 3972806, 9932015, 19864030]

約数ペア:

[(1, 19864030), (2, 9932015), (5, 3972806), (10, 1986403), (73, 272110), (146, 136055), (365, 54422), (730, 27211)]