19903142

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 35983872

約数和(自身を除く): 16080730

約数列:

[1, 2, 7, 14, 23, 46, 113, 161, 226, 322, 547, 791, 1094, 1582, 2599, 3829, 5198, 7658, 12581, 18193, 25162, 36386, 61811, 88067, 123622, 176134, 432677, 865354, 1421653, 2843306, 9951571, 19903142]

約数ペア:

[(1, 19903142), (2, 9951571), (7, 2843306), (14, 1421653), (23, 865354), (46, 432677), (113, 176134), (161, 123622), (226, 88067), (322, 61811), (547, 36386), (791, 25162), (1094, 18193), (1582, 12581), (2599, 7658), (3829, 5198)]