19903660168

素因数分解:

$2^3\times 7^1\times {\mathrm{1753}}^1\times {\mathrm{202751}}^1$

素因数の和:204517

約数の個数: 32

約数和(自身を含む): 42675240960

約数和(自身を除く): 22771580792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1753, 3506, 7012, 12271, 14024, 24542, 49084, 98168, 202751, 405502, 811004, 1419257, 1622008, 2838514, 5677028, 11354056, 355422503, 710845006, 1421690012, 2487957521, 2843380024, 4975915042, 9951830084, 19903660168]

約数ペア:

[(1, 19903660168), (2, 9951830084), (4, 4975915042), (7, 2843380024), (8, 2487957521), (14, 1421690012), (28, 710845006), (56, 355422503), (1753, 11354056), (3506, 5677028), (7012, 2838514), (12271, 1622008), (14024, 1419257), (24542, 811004), (49084, 405502), (98168, 202751)]