18910974771

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{1531}}^1\times {\mathrm{2707}}^1$

素因数の和:4273

約数の個数: 48

約数和(自身を含む): 30368161920

約数和(自身を除く): 11457187149

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 1531, 2707, 4563, 4593, 8121, 13779, 19903, 24363, 35191, 41337, 59709, 73089, 105573, 179127, 258739, 316719, 457483, 537381, 776217, 950157, 1372449, 2328651, 4117347, 4144417, 6985953, 12352041, 12433251, 37299753, 53877421, 111899259, 161632263, 484896789, 700406473, 1454690367, 2101219419, 6303658257, 18910974771]

約数ペア:

[(1, 18910974771), (3, 6303658257), (9, 2101219419), (13, 1454690367), (27, 700406473), (39, 484896789), (117, 161632263), (169, 111899259), (351, 53877421), (507, 37299753), (1521, 12433251), (1531, 12352041), (2707, 6985953), (4563, 4144417), (4593, 4117347), (8121, 2328651), (13779, 1372449), (19903, 950157), (24363, 776217), (35191, 537381), (41337, 457483), (59709, 316719), (73089, 258739), (105573, 179127)]