19658568

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^2\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 50429520

約数和(自身を除く): 30770952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 443, 516, 886, 1032, 1329, 1772, 1849, 2658, 3544, 3698, 5316, 5547, 7396, 10632, 11094, 14792, 19049, 22188, 38098, 44376, 57147, 76196, 114294, 152392, 228588, 457176, 819107, 1638214, 2457321, 3276428, 4914642, 6552856, 9829284, 19658568]

約数ペア:

[(1, 19658568), (2, 9829284), (3, 6552856), (4, 4914642), (6, 3276428), (8, 2457321), (12, 1638214), (24, 819107), (43, 457176), (86, 228588), (129, 152392), (172, 114294), (258, 76196), (344, 57147), (443, 44376), (516, 38098), (886, 22188), (1032, 19049), (1329, 14792), (1772, 11094), (1849, 10632), (2658, 7396), (3544, 5547), (3698, 5316)]