19005655359812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8447}}^1\times {\mathrm{1382057}}^1$

素因数の和:1390556

約数の個数: 48

約数和(自身を含む): 37268598140928

約数和(自身を除く): 18262942781116

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 8447, 16894, 33788, 92917, 185834, 312539, 371668, 625078, 1250156, 1382057, 2764114, 3437929, 5528228, 6875858, 13751716, 15202627, 30405254, 51136109, 60810508, 102272218, 204544436, 562497199, 1124994398, 2249988796, 11674235479, 23348470958, 46696941916, 128416590269, 256833180538, 431946712723, 513666361076, 863893425446, 1727786850892, 4751413839953, 9502827679906, 19005655359812]

約数ペア:

[(1, 19005655359812), (2, 9502827679906), (4, 4751413839953), (11, 1727786850892), (22, 863893425446), (37, 513666361076), (44, 431946712723), (74, 256833180538), (148, 128416590269), (407, 46696941916), (814, 23348470958), (1628, 11674235479), (8447, 2249988796), (16894, 1124994398), (33788, 562497199), (92917, 204544436), (185834, 102272218), (312539, 60810508), (371668, 51136109), (625078, 30405254), (1250156, 15202627), (1382057, 13751716), (2764114, 6875858), (3437929, 5528228)]