19428051

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 9083949

約数列:

[1, 3, 19, 53, 57, 59, 109, 159, 177, 327, 1007, 1121, 2071, 3021, 3127, 3363, 5777, 6213, 6431, 9381, 17331, 19293, 59413, 109763, 122189, 178239, 329289, 340843, 366567, 1022529, 6476017, 19428051]

約数ペア:

[(1, 19428051), (3, 6476017), (19, 1022529), (53, 366567), (57, 340843), (59, 329289), (109, 178239), (159, 122189), (177, 109763), (327, 59413), (1007, 19293), (1121, 17331), (2071, 9381), (3021, 6431), (3127, 6213), (3363, 5777)]