1868420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 3966144

約数和(自身を除く): 2097724

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 907, 1030, 1814, 2060, 3628, 4535, 9070, 18140, 93421, 186842, 373684, 467105, 934210, 1868420]

約数ペア:

[(1, 1868420), (2, 934210), (4, 467105), (5, 373684), (10, 186842), (20, 93421), (103, 18140), (206, 9070), (412, 4535), (515, 3628), (907, 2060), (1030, 1814)]