19774881

素因数分解:

$3^3\times 7^2\times {\mathrm{14947}}^1$

素因数の和:14970

約数の個数: 24

約数和(自身を含む): 34081440

約数和(自身を除く): 14306559

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 14947, 44841, 104629, 134523, 313887, 403569, 732403, 941661, 2197209, 2824983, 6591627, 19774881]

約数ペア:

[(1, 19774881), (3, 6591627), (7, 2824983), (9, 2197209), (21, 941661), (27, 732403), (49, 403569), (63, 313887), (147, 134523), (189, 104629), (441, 44841), (1323, 14947)]