18220258

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2194

約数の個数: 24

約数和(自身を含む): 32165100

約数和(自身を除く): 13944842

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2089, 4178, 4361, 8722, 14623, 29246, 102361, 185921, 204722, 371842, 1301447, 2602894, 9110129, 18220258]

約数ペア:

[(1, 18220258), (2, 9110129), (7, 2602894), (14, 1301447), (49, 371842), (89, 204722), (98, 185921), (178, 102361), (623, 29246), (1246, 14623), (2089, 8722), (4178, 4361)]