18294580

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2621}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 38543400

約数和(自身を除く): 20248820

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 2621, 3490, 5242, 6980, 10484, 13105, 26210, 52420, 914729, 1829458, 3658916, 4573645, 9147290, 18294580]

約数ペア:

[(1, 18294580), (2, 9147290), (4, 4573645), (5, 3658916), (10, 1829458), (20, 914729), (349, 52420), (698, 26210), (1396, 13105), (1745, 10484), (2621, 6980), (3490, 5242)]