19333881

素因数分解:

$3^2\times 7^3\times {\mathrm{6263}}^1$

素因数の和:6290

約数の個数: 24

約数和(自身を含む): 32572800

約数和(自身を除く): 13238919

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6263, 18789, 43841, 56367, 131523, 306887, 394569, 920661, 2148209, 2761983, 6444627, 19333881]

約数ペア:

[(1, 19333881), (3, 6444627), (7, 2761983), (9, 2148209), (21, 920661), (49, 394569), (63, 306887), (147, 131523), (343, 56367), (441, 43841), (1029, 18789), (3087, 6263)]