19276520

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3467}}^1$

素因数の和:3617

約数の個数: 32

約数和(自身を含む): 43696800

約数和(自身を除く): 24420280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 3467, 5560, 6934, 13868, 17335, 27736, 34670, 69340, 138680, 481913, 963826, 1927652, 2409565, 3855304, 4819130, 9638260, 19276520]

約数ペア:

[(1, 19276520), (2, 9638260), (4, 4819130), (5, 3855304), (8, 2409565), (10, 1927652), (20, 963826), (40, 481913), (139, 138680), (278, 69340), (556, 34670), (695, 27736), (1112, 17335), (1390, 13868), (2780, 6934), (3467, 5560)]