18036580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8929}}^1$

素因数の和:9039

約数の個数: 24

約数和(自身を含む): 38256120

約数和(自身を除く): 20219540

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 8929, 17858, 35716, 44645, 89290, 178580, 901829, 1803658, 3607316, 4509145, 9018290, 18036580]

約数ペア:

[(1, 18036580), (2, 9018290), (4, 4509145), (5, 3607316), (10, 1803658), (20, 901829), (101, 178580), (202, 89290), (404, 44645), (505, 35716), (1010, 17858), (2020, 8929)]