19871260

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{3391}}^1$

素因数の和:3693

約数の個数: 24

約数和(自身を含む): 41884416

約数和(自身を除く): 22013156

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 3391, 5860, 6782, 13564, 16955, 33910, 67820, 993563, 1987126, 3974252, 4967815, 9935630, 19871260]

約数ペア:

[(1, 19871260), (2, 9935630), (4, 4967815), (5, 3974252), (10, 1987126), (20, 993563), (293, 67820), (586, 33910), (1172, 16955), (1465, 13564), (2930, 6782), (3391, 5860)]