19523421

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 29158584

約数和(自身を除く): 9635163

約数列:

[1, 3, 9, 41, 123, 157, 337, 369, 471, 1011, 1413, 3033, 6437, 13817, 19311, 41451, 52909, 57933, 124353, 158727, 476181, 2169269, 6507807, 19523421]

約数ペア:

[(1, 19523421), (3, 6507807), (9, 2169269), (41, 476181), (123, 158727), (157, 124353), (337, 57933), (369, 52909), (471, 41451), (1011, 19311), (1413, 13817), (3033, 6437)]