18883947719

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{227}}^1\times {\mathrm{1087}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 24199139328

約数和(自身を除く): 5315191609

約数列:

[1, 7, 13, 29, 91, 203, 227, 377, 841, 1087, 1589, 2639, 2951, 5887, 6583, 7609, 10933, 14131, 20657, 31523, 46081, 76531, 85579, 98917, 190907, 220661, 246749, 409799, 599053, 914167, 1336349, 1727243, 2481791, 2868593, 3207737, 6399169, 7155721, 11884171, 17372537, 22454159, 50090047, 83189197, 93024373, 207515909, 651170611, 1452611363, 2697706817, 18883947719]

約数ペア:

[(1, 18883947719), (7, 2697706817), (13, 1452611363), (29, 651170611), (91, 207515909), (203, 93024373), (227, 83189197), (377, 50090047), (841, 22454159), (1087, 17372537), (1589, 11884171), (2639, 7155721), (2951, 6399169), (5887, 3207737), (6583, 2868593), (7609, 2481791), (10933, 1727243), (14131, 1336349), (20657, 914167), (31523, 599053), (46081, 409799), (76531, 246749), (85579, 220661), (98917, 190907)]