18041620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7103}}^1$

素因数の和:7239

約数の個数: 24

約数和(自身を含む): 38191104

約数和(自身を除く): 20149484

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7103, 14206, 28412, 35515, 71030, 142060, 902081, 1804162, 3608324, 4510405, 9020810, 18041620]

約数ペア:

[(1, 18041620), (2, 9020810), (4, 4510405), (5, 3608324), (10, 1804162), (20, 902081), (127, 142060), (254, 71030), (508, 35515), (635, 28412), (1270, 14206), (2540, 7103)]