19268780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9539}}^1$

素因数の和:9649

約数の個数: 24

約数和(自身を含む): 40869360

約数和(自身を除く): 21600580

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9539, 19078, 38156, 47695, 95390, 190780, 963439, 1926878, 3853756, 4817195, 9634390, 19268780]

約数ペア:

[(1, 19268780), (2, 9634390), (4, 4817195), (5, 3853756), (10, 1926878), (20, 963439), (101, 190780), (202, 95390), (404, 47695), (505, 38156), (1010, 19078), (2020, 9539)]