19489778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 36661248

約数和(自身を除く): 17171470

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 271, 467, 542, 934, 1897, 2981, 3269, 3794, 5137, 5962, 6538, 10274, 20867, 35959, 41734, 71918, 126557, 253114, 885899, 1392127, 1771798, 2784254, 9744889, 19489778]

約数ペア:

[(1, 19489778), (2, 9744889), (7, 2784254), (11, 1771798), (14, 1392127), (22, 885899), (77, 253114), (154, 126557), (271, 71918), (467, 41734), (542, 35959), (934, 20867), (1897, 10274), (2981, 6538), (3269, 5962), (3794, 5137)]