19148556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{887}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 51319296

約数和(自身を除く): 32170740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 887, 1028, 1542, 1774, 1799, 2661, 3084, 3548, 3598, 5322, 5397, 6209, 7196, 10644, 10794, 12418, 18627, 21588, 24836, 37254, 74508, 227959, 455918, 683877, 911836, 1367754, 1595713, 2735508, 3191426, 4787139, 6382852, 9574278, 19148556]

約数ペア:

[(1, 19148556), (2, 9574278), (3, 6382852), (4, 4787139), (6, 3191426), (7, 2735508), (12, 1595713), (14, 1367754), (21, 911836), (28, 683877), (42, 455918), (84, 227959), (257, 74508), (514, 37254), (771, 24836), (887, 21588), (1028, 18627), (1542, 12418), (1774, 10794), (1799, 10644), (2661, 7196), (3084, 6209), (3548, 5397), (3598, 5322)]