18644584

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1493}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 40158720

約数和(自身を除く): 21514136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1493, 1561, 1784, 2986, 3122, 5972, 6244, 10451, 11944, 12488, 20902, 41804, 83608, 332939, 665878, 1331756, 2330573, 2663512, 4661146, 9322292, 18644584]

約数ペア:

[(1, 18644584), (2, 9322292), (4, 4661146), (7, 2663512), (8, 2330573), (14, 1331756), (28, 665878), (56, 332939), (223, 83608), (446, 41804), (892, 20902), (1493, 12488), (1561, 11944), (1784, 10451), (2986, 6244), (3122, 5972)]