18008820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{100049}}^1$

素因数の和:100064

約数の個数: 36

約数和(自身を含む): 54627300

約数和(自身を除く): 36618480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 100049, 200098, 300147, 400196, 500245, 600294, 900441, 1000490, 1200588, 1500735, 1800882, 2000980, 3001470, 3601764, 4502205, 6002940, 9004410, 18008820]

約数ペア:

[(1, 18008820), (2, 9004410), (3, 6002940), (4, 4502205), (5, 3601764), (6, 3001470), (9, 2000980), (10, 1800882), (12, 1500735), (15, 1200588), (18, 1000490), (20, 900441), (30, 600294), (36, 500245), (45, 400196), (60, 300147), (90, 200098), (180, 100049)]