18624280

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1319}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 42055200

約数和(自身を除く): 23430920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1319, 1412, 1765, 2638, 2824, 3530, 5276, 6595, 7060, 10552, 13190, 14120, 26380, 52760, 465607, 931214, 1862428, 2328035, 3724856, 4656070, 9312140, 18624280]

約数ペア:

[(1, 18624280), (2, 9312140), (4, 4656070), (5, 3724856), (8, 2328035), (10, 1862428), (20, 931214), (40, 465607), (353, 52760), (706, 26380), (1319, 14120), (1412, 13190), (1765, 10552), (2638, 7060), (2824, 6595), (3530, 5276)]