18947950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 22299410

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 50, 70, 86, 175, 215, 301, 350, 430, 602, 1075, 1259, 1505, 2150, 2518, 3010, 6295, 7525, 8813, 12590, 15050, 17626, 31475, 44065, 54137, 62950, 88130, 108274, 220325, 270685, 378959, 440650, 541370, 757918, 1353425, 1894795, 2706850, 3789590, 9473975, 18947950]

約数ペア:

[(1, 18947950), (2, 9473975), (5, 3789590), (7, 2706850), (10, 1894795), (14, 1353425), (25, 757918), (35, 541370), (43, 440650), (50, 378959), (70, 270685), (86, 220325), (175, 108274), (215, 88130), (301, 62950), (350, 54137), (430, 44065), (602, 31475), (1075, 17626), (1259, 15050), (1505, 12590), (2150, 8813), (2518, 7525), (3010, 6295)]