19005395765

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2142

約数の個数: 48

約数和(自身を含む): 24872158080

約数和(自身を除く): 5866762315

約数列:

[1, 5, 23, 37, 61, 115, 185, 305, 851, 1369, 1403, 1979, 2257, 4255, 6845, 7015, 9895, 11285, 31487, 45517, 51911, 73223, 83509, 120719, 157435, 227585, 259555, 366115, 417545, 603595, 1684129, 1920707, 2709251, 2776537, 4466603, 8420645, 9603535, 13546255, 13882685, 22333015, 62312773, 102731869, 165264311, 311563865, 513659345, 826321555, 3801079153, 19005395765]

約数ペア:

[(1, 19005395765), (5, 3801079153), (23, 826321555), (37, 513659345), (61, 311563865), (115, 165264311), (185, 102731869), (305, 62312773), (851, 22333015), (1369, 13882685), (1403, 13546255), (1979, 9603535), (2257, 8420645), (4255, 4466603), (6845, 2776537), (7015, 2709251), (9895, 1920707), (11285, 1684129), (31487, 603595), (45517, 417545), (51911, 366115), (73223, 259555), (83509, 227585), (120719, 157435)]