19217303

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 24576000

約数和(自身を除く): 5358697

約数列:

[1, 7, 19, 31, 59, 79, 133, 217, 413, 553, 589, 1121, 1501, 1829, 2449, 4123, 4661, 7847, 10507, 12803, 17143, 32627, 34751, 46531, 88559, 144491, 243257, 325717, 619913, 1011437, 2745329, 19217303]

約数ペア:

[(1, 19217303), (7, 2745329), (19, 1011437), (31, 619913), (59, 325717), (79, 243257), (133, 144491), (217, 88559), (413, 46531), (553, 34751), (589, 32627), (1121, 17143), (1501, 12803), (1829, 10507), (2449, 7847), (4123, 4661)]