19503252

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^2\times {\mathrm{293}}^1$

素因数の和:389

約数の個数: 54

約数和(自身を含む): 50645322

約数和(自身を除く): 31142070

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 293, 387, 516, 586, 774, 879, 1172, 1548, 1758, 1849, 2637, 3516, 3698, 5274, 5547, 7396, 10548, 11094, 12599, 16641, 22188, 25198, 33282, 37797, 50396, 66564, 75594, 113391, 151188, 226782, 453564, 541757, 1083514, 1625271, 2167028, 3250542, 4875813, 6501084, 9751626, 19503252]

約数ペア:

[(1, 19503252), (2, 9751626), (3, 6501084), (4, 4875813), (6, 3250542), (9, 2167028), (12, 1625271), (18, 1083514), (36, 541757), (43, 453564), (86, 226782), (129, 151188), (172, 113391), (258, 75594), (293, 66564), (387, 50396), (516, 37797), (586, 33282), (774, 25198), (879, 22188), (1172, 16641), (1548, 12599), (1758, 11094), (1849, 10548), (2637, 7396), (3516, 5547), (3698, 5274)]