19018820

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3433}}^1$

素因数の和:3719

約数の個数: 24

約数和(自身を含む): 40095384

約数和(自身を除く): 21076564

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3433, 5540, 6866, 13732, 17165, 34330, 68660, 950941, 1901882, 3803764, 4754705, 9509410, 19018820]

約数ペア:

[(1, 19018820), (2, 9509410), (4, 4754705), (5, 3803764), (10, 1901882), (20, 950941), (277, 68660), (554, 34330), (1108, 17165), (1385, 13732), (2770, 6866), (3433, 5540)]