18945486

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2837}}^1$

素因数の和:2905

約数の個数: 48

約数和(自身を含む): 47814624

約数和(自身を除く): 28869138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 2837, 3339, 5674, 6678, 8511, 17022, 19859, 25533, 39718, 51066, 59577, 119154, 150361, 178731, 300722, 357462, 451083, 902166, 1052527, 1353249, 2105054, 2706498, 3157581, 6315162, 9472743, 18945486]

約数ペア:

[(1, 18945486), (2, 9472743), (3, 6315162), (6, 3157581), (7, 2706498), (9, 2105054), (14, 1353249), (18, 1052527), (21, 902166), (42, 451083), (53, 357462), (63, 300722), (106, 178731), (126, 150361), (159, 119154), (318, 59577), (371, 51066), (477, 39718), (742, 25533), (954, 19859), (1113, 17022), (2226, 8511), (2837, 6678), (3339, 5674)]