19001073

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 32456256

約数和(自身を除く): 13455183

約数列:

[1, 3, 7, 13, 21, 39, 49, 61, 91, 147, 163, 183, 273, 427, 489, 637, 793, 1141, 1281, 1911, 2119, 2379, 2989, 3423, 5551, 6357, 7987, 8967, 9943, 14833, 16653, 23961, 29829, 38857, 44499, 69601, 103831, 116571, 129259, 208803, 311493, 387777, 487207, 904813, 1461621, 2714439, 6333691, 19001073]

約数ペア:

[(1, 19001073), (3, 6333691), (7, 2714439), (13, 1461621), (21, 904813), (39, 487207), (49, 387777), (61, 311493), (91, 208803), (147, 129259), (163, 116571), (183, 103831), (273, 69601), (427, 44499), (489, 38857), (637, 29829), (793, 23961), (1141, 16653), (1281, 14833), (1911, 9943), (2119, 8967), (2379, 7987), (2989, 6357), (3423, 5551)]