19771306

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 33187968

約数和(自身を除く): 13416662

約数列:

[1, 2, 17, 23, 34, 46, 131, 193, 262, 386, 391, 782, 2227, 3013, 3281, 4439, 4454, 6026, 6562, 8878, 25283, 50566, 51221, 75463, 102442, 150926, 429811, 581509, 859622, 1163018, 9885653, 19771306]

約数ペア:

[(1, 19771306), (2, 9885653), (17, 1163018), (23, 859622), (34, 581509), (46, 429811), (131, 150926), (193, 102442), (262, 75463), (386, 51221), (391, 50566), (782, 25283), (2227, 8878), (3013, 6562), (3281, 6026), (4439, 4454)]