18913544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7907}}^1$

素因数の和:7949

約数の個数: 32

約数和(自身を含む): 39856320

約数和(自身を除く): 20942776

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 7907, 15814, 31628, 63256, 102791, 181861, 205582, 363722, 411164, 727444, 822328, 1454888, 2364193, 4728386, 9456772, 18913544]

約数ペア:

[(1, 18913544), (2, 9456772), (4, 4728386), (8, 2364193), (13, 1454888), (23, 822328), (26, 727444), (46, 411164), (52, 363722), (92, 205582), (104, 181861), (184, 102791), (299, 63256), (598, 31628), (1196, 15814), (2392, 7907)]