19581254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2957}}^1$

素因数の和:3020

約数の個数: 32

約数和(自身を含む): 37483776

約数和(自身を除く): 17902522

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 154, 301, 473, 602, 946, 2957, 3311, 5914, 6622, 20699, 32527, 41398, 65054, 127151, 227689, 254302, 455378, 890057, 1398661, 1780114, 2797322, 9790627, 19581254]

約数ペア:

[(1, 19581254), (2, 9790627), (7, 2797322), (11, 1780114), (14, 1398661), (22, 890057), (43, 455378), (77, 254302), (86, 227689), (154, 127151), (301, 65054), (473, 41398), (602, 32527), (946, 20699), (2957, 6622), (3311, 5914)]