2019900924

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{21739}}^1$

素因数の和:21867

約数の個数: 72

約数和(自身を含む): 5341518000

約数和(自身を除く): 3321617076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 89, 116, 174, 178, 261, 267, 348, 356, 522, 534, 801, 1044, 1068, 1602, 2581, 3204, 5162, 7743, 10324, 15486, 21739, 23229, 30972, 43478, 46458, 65217, 86956, 92916, 130434, 195651, 260868, 391302, 630431, 782604, 1260862, 1891293, 1934771, 2521724, 3782586, 3869542, 5673879, 5804313, 7565172, 7739084, 11347758, 11608626, 17412939, 22695516, 23217252, 34825878, 56108359, 69651756, 112216718, 168325077, 224433436, 336650154, 504975231, 673300308, 1009950462, 2019900924]

約数ペア:

[(1, 2019900924), (2, 1009950462), (3, 673300308), (4, 504975231), (6, 336650154), (9, 224433436), (12, 168325077), (18, 112216718), (29, 69651756), (36, 56108359), (58, 34825878), (87, 23217252), (89, 22695516), (116, 17412939), (174, 11608626), (178, 11347758), (261, 7739084), (267, 7565172), (348, 5804313), (356, 5673879), (522, 3869542), (534, 3782586), (801, 2521724), (1044, 1934771), (1068, 1891293), (1602, 1260862), (2581, 782604), (3204, 630431), (5162, 391302), (7743, 260868), (10324, 195651), (15486, 130434), (21739, 92916), (23229, 86956), (30972, 65217), (43478, 46458)]