19358283

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 32832000

約数和(自身を除く): 13473717

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 133, 147, 203, 239, 399, 551, 609, 717, 931, 1421, 1653, 1673, 2793, 3857, 4263, 4541, 5019, 6931, 11571, 11711, 13623, 20793, 26999, 31787, 35133, 48517, 80997, 95361, 131689, 145551, 222509, 339619, 395067, 667527, 921823, 1018857, 2765469, 6452761, 19358283]

約数ペア:

[(1, 19358283), (3, 6452761), (7, 2765469), (19, 1018857), (21, 921823), (29, 667527), (49, 395067), (57, 339619), (87, 222509), (133, 145551), (147, 131689), (203, 95361), (239, 80997), (399, 48517), (551, 35133), (609, 31787), (717, 26999), (931, 20793), (1421, 13623), (1653, 11711), (1673, 11571), (2793, 6931), (3857, 5019), (4263, 4541)]