19509819

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 32047104

約数和(自身を除く): 12537285

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 1303, 2139, 3909, 4991, 9121, 14973, 27363, 29969, 40393, 89907, 121179, 209783, 282751, 629349, 848253, 929039, 2787117, 6503273, 19509819]

約数ペア:

[(1, 19509819), (3, 6503273), (7, 2787117), (21, 929039), (23, 848253), (31, 629349), (69, 282751), (93, 209783), (161, 121179), (217, 89907), (483, 40393), (651, 29969), (713, 27363), (1303, 14973), (2139, 9121), (3909, 4991)]