18089900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9521}}^1$

素因数の和:9554

約数の個数: 36

約数和(自身を含む): 41325480

約数和(自身を除く): 23235580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 9521, 19042, 38084, 47605, 95210, 180899, 190420, 238025, 361798, 476050, 723596, 904495, 952100, 1808990, 3617980, 4522475, 9044950, 18089900]

約数ペア:

[(1, 18089900), (2, 9044950), (4, 4522475), (5, 3617980), (10, 1808990), (19, 952100), (20, 904495), (25, 723596), (38, 476050), (50, 361798), (76, 238025), (95, 190420), (100, 180899), (190, 95210), (380, 47605), (475, 38084), (950, 19042), (1900, 9521)]