19980346316

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1789}}^1\times {\mathrm{2677}}^1$

素因数の和:4626

約数の個数: 48

約数和(自身を含む): 40266408000

約数和(自身を除く): 20286061684

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 1789, 2086, 2677, 3578, 4172, 5354, 7156, 10708, 12523, 18739, 25046, 37478, 50092, 74956, 266561, 398873, 533122, 797746, 1066244, 1595492, 1865927, 2792111, 3731854, 4789153, 5584222, 7463708, 9578306, 11168444, 19156612, 33524071, 67048142, 134096284, 713583797, 1427167594, 2854335188, 4995086579, 9990173158, 19980346316]

約数ペア:

[(1, 19980346316), (2, 9990173158), (4, 4995086579), (7, 2854335188), (14, 1427167594), (28, 713583797), (149, 134096284), (298, 67048142), (596, 33524071), (1043, 19156612), (1789, 11168444), (2086, 9578306), (2677, 7463708), (3578, 5584222), (4172, 4789153), (5354, 3731854), (7156, 2792111), (10708, 1865927), (12523, 1595492), (18739, 1066244), (25046, 797746), (37478, 533122), (50092, 398873), (74956, 266561)]