19550835

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1493}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 35138880

約数和(自身を除く): 15588045

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 1493, 2619, 4365, 4479, 7465, 13095, 13437, 22395, 40311, 67185, 144821, 201555, 434463, 724105, 1303389, 2172315, 3910167, 6516945, 19550835]

約数ペア:

[(1, 19550835), (3, 6516945), (5, 3910167), (9, 2172315), (15, 1303389), (27, 724105), (45, 434463), (97, 201555), (135, 144821), (291, 67185), (485, 40311), (873, 22395), (1455, 13437), (1493, 13095), (2619, 7465), (4365, 4479)]