19785204

素因数分解:

$2^2\times 3^2\times {\mathrm{549589}}^1$

素因数の和:549599

約数の個数: 18

約数和(自身を含む): 50012690

約数和(自身を除く): 30227486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 549589, 1099178, 1648767, 2198356, 3297534, 4946301, 6595068, 9892602, 19785204]

約数ペア:

[(1, 19785204), (2, 9892602), (3, 6595068), (4, 4946301), (6, 3297534), (9, 2198356), (12, 1648767), (18, 1099178), (36, 549589)]