18785540

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3319}}^1$

素因数の和:3611

約数の個数: 24

約数和(自身を含む): 39600960

約数和(自身を除く): 20815420

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3319, 5660, 6638, 13276, 16595, 33190, 66380, 939277, 1878554, 3757108, 4696385, 9392770, 18785540]

約数ペア:

[(1, 18785540), (2, 9392770), (4, 4696385), (5, 3757108), (10, 1878554), (20, 939277), (283, 66380), (566, 33190), (1132, 16595), (1415, 13276), (2830, 6638), (3319, 5660)]