19321540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4759}}^1$

素因数の和:4804

約数の個数: 48

約数和(自身を含む): 47980800

約数和(自身を除く): 28659260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4759, 9518, 19036, 23795, 33313, 47590, 66626, 95180, 133252, 138011, 166565, 276022, 333130, 552044, 666260, 690055, 966077, 1380110, 1932154, 2760220, 3864308, 4830385, 9660770, 19321540]

約数ペア:

[(1, 19321540), (2, 9660770), (4, 4830385), (5, 3864308), (7, 2760220), (10, 1932154), (14, 1380110), (20, 966077), (28, 690055), (29, 666260), (35, 552044), (58, 333130), (70, 276022), (116, 166565), (140, 138011), (145, 133252), (203, 95180), (290, 66626), (406, 47590), (580, 33313), (812, 23795), (1015, 19036), (2030, 9518), (4060, 4759)]