18691974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1361}}^1$

素因数の和:1485

約数の個数: 48

約数和(自身を含む): 46743840

約数和(自身を除く): 28051866

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1361, 1526, 1962, 2289, 2722, 4083, 4578, 6867, 8166, 9527, 12249, 13734, 19054, 24498, 28581, 57162, 85743, 148349, 171486, 296698, 445047, 890094, 1038443, 1335141, 2076886, 2670282, 3115329, 6230658, 9345987, 18691974]

約数ペア:

[(1, 18691974), (2, 9345987), (3, 6230658), (6, 3115329), (7, 2670282), (9, 2076886), (14, 1335141), (18, 1038443), (21, 890094), (42, 445047), (63, 296698), (109, 171486), (126, 148349), (218, 85743), (327, 57162), (654, 28581), (763, 24498), (981, 19054), (1361, 13734), (1526, 12249), (1962, 9527), (2289, 8166), (2722, 6867), (4083, 4578)]