19354040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 46094400

約数和(自身を除く): 26740360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 109, 115, 184, 193, 218, 230, 386, 436, 460, 545, 772, 872, 920, 965, 1090, 1544, 1930, 2180, 2507, 3860, 4360, 4439, 5014, 7720, 8878, 10028, 12535, 17756, 20056, 21037, 22195, 25070, 35512, 42074, 44390, 50140, 84148, 88780, 100280, 105185, 168296, 177560, 210370, 420740, 483851, 841480, 967702, 1935404, 2419255, 3870808, 4838510, 9677020, 19354040]

約数ペア:

[(1, 19354040), (2, 9677020), (4, 4838510), (5, 3870808), (8, 2419255), (10, 1935404), (20, 967702), (23, 841480), (40, 483851), (46, 420740), (92, 210370), (109, 177560), (115, 168296), (184, 105185), (193, 100280), (218, 88780), (230, 84148), (386, 50140), (436, 44390), (460, 42074), (545, 35512), (772, 25070), (872, 22195), (920, 21037), (965, 20056), (1090, 17756), (1544, 12535), (1930, 10028), (2180, 8878), (2507, 7720), (3860, 5014), (4360, 4439)]