19270167

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 30351360

約数和(自身を除く): 11081193

約数列:

[1, 3, 7, 21, 59, 103, 151, 177, 309, 413, 453, 721, 1057, 1239, 2163, 3171, 6077, 8909, 15553, 18231, 26727, 42539, 46659, 62363, 108871, 127617, 187089, 326613, 917627, 2752881, 6423389, 19270167]

約数ペア:

[(1, 19270167), (3, 6423389), (7, 2752881), (21, 917627), (59, 326613), (103, 187089), (151, 127617), (177, 108871), (309, 62363), (413, 46659), (453, 42539), (721, 26727), (1057, 18231), (1239, 15553), (2163, 8909), (3171, 6077)]