19094537

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 25006080

約数和(自身を除く): 5911543

約数列:

[1, 7, 11, 43, 73, 77, 79, 301, 473, 511, 553, 803, 869, 3139, 3311, 3397, 5621, 5767, 6083, 21973, 23779, 34529, 37367, 40369, 63437, 241703, 247981, 261569, 444059, 1735867, 2727791, 19094537]

約数ペア:

[(1, 19094537), (7, 2727791), (11, 1735867), (43, 444059), (73, 261569), (77, 247981), (79, 241703), (301, 63437), (473, 40369), (511, 37367), (553, 34529), (803, 23779), (869, 21973), (3139, 6083), (3311, 5767), (3397, 5621)]