18687063

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 9306537

約数列:

[1, 3, 17, 23, 51, 69, 89, 179, 267, 391, 537, 1173, 1513, 2047, 3043, 4117, 4539, 6141, 9129, 12351, 15931, 34799, 47793, 69989, 104397, 209967, 270827, 366413, 812481, 1099239, 6229021, 18687063]

約数ペア:

[(1, 18687063), (3, 6229021), (17, 1099239), (23, 812481), (51, 366413), (69, 270827), (89, 209967), (179, 104397), (267, 69989), (391, 47793), (537, 34799), (1173, 15931), (1513, 12351), (2047, 9129), (3043, 6141), (4117, 4539)]