15638919

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 23347200

約数和(自身を除く): 7708281

約数列:

[1, 3, 19, 23, 57, 69, 79, 151, 237, 437, 453, 1311, 1501, 1817, 2869, 3473, 4503, 5451, 8607, 10419, 11929, 34523, 35787, 65987, 103569, 197961, 226651, 274367, 679953, 823101, 5212973, 15638919]

約数ペア:

[(1, 15638919), (3, 5212973), (19, 823101), (23, 679953), (57, 274367), (69, 226651), (79, 197961), (151, 103569), (237, 65987), (437, 35787), (453, 34523), (1311, 11929), (1501, 10419), (1817, 8607), (2869, 5451), (3473, 4503)]