18985620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2903}}^1$

素因数の和:3024

約数の個数: 48

約数和(自身を含む): 53665920

約数和(自身を除く): 34680300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 2903, 3270, 5806, 6540, 8709, 11612, 14515, 17418, 29030, 34836, 43545, 58060, 87090, 174180, 316427, 632854, 949281, 1265708, 1582135, 1898562, 3164270, 3797124, 4746405, 6328540, 9492810, 18985620]

約数ペア:

[(1, 18985620), (2, 9492810), (3, 6328540), (4, 4746405), (5, 3797124), (6, 3164270), (10, 1898562), (12, 1582135), (15, 1265708), (20, 949281), (30, 632854), (60, 316427), (109, 174180), (218, 87090), (327, 58060), (436, 43545), (545, 34836), (654, 29030), (1090, 17418), (1308, 14515), (1635, 11612), (2180, 8709), (2903, 6540), (3270, 5806)]