18186850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 37810080

約数和(自身を除く): 19623230

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 769, 946, 1075, 1538, 2150, 2365, 3845, 4730, 7690, 8459, 11825, 16918, 19225, 23650, 33067, 38450, 42295, 66134, 84590, 165335, 211475, 330670, 363737, 422950, 727474, 826675, 1653350, 1818685, 3637370, 9093425, 18186850]

約数ペア:

[(1, 18186850), (2, 9093425), (5, 3637370), (10, 1818685), (11, 1653350), (22, 826675), (25, 727474), (43, 422950), (50, 363737), (55, 330670), (86, 211475), (110, 165335), (215, 84590), (275, 66134), (430, 42295), (473, 38450), (550, 33067), (769, 23650), (946, 19225), (1075, 16918), (1538, 11825), (2150, 8459), (2365, 7690), (3845, 4730)]