19958902887

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8629}}^1$

素因数の和:8717

約数の個数: 128

約数和(自身を含む): 38176358400

約数和(自身を除く): 18217455513

約数列:

[1, 3, 7, 11, 17, 19, 21, 31, 33, 51, 57, 77, 93, 119, 133, 187, 209, 217, 231, 323, 341, 357, 399, 527, 561, 589, 627, 651, 969, 1023, 1309, 1463, 1581, 1767, 2261, 2387, 3553, 3689, 3927, 4123, 4389, 5797, 6479, 6783, 7161, 8629, 10013, 10659, 11067, 12369, 17391, 19437, 24871, 25887, 30039, 40579, 45353, 60403, 70091, 74613, 94919, 110143, 121737, 136059, 146693, 163951, 181209, 210273, 267499, 284757, 330429, 440079, 491853, 664433, 771001, 802497, 1026851, 1147657, 1613623, 1803461, 1872493, 1993299, 2313003, 2787167, 2942489, 3080553, 3442971, 4547483, 4840869, 5082481, 5410383, 5617479, 8361501, 8827467, 11295361, 12624227, 13642449, 15247443, 19510169, 20597423, 30658837, 31832381, 33886083, 35577367, 37872681, 50022313, 55907291, 58530507, 61792269, 86402177, 91976511, 95497143, 106732101, 150066939, 167721873, 214611859, 259206531, 350156191, 391351037, 604815239, 643835577, 950423947, 1050468573, 1174053111, 1814445717, 2851271841, 6652967629, 19958902887]

約数ペア:

[(1, 19958902887), (3, 6652967629), (7, 2851271841), (11, 1814445717), (17, 1174053111), (19, 1050468573), (21, 950423947), (31, 643835577), (33, 604815239), (51, 391351037), (57, 350156191), (77, 259206531), (93, 214611859), (119, 167721873), (133, 150066939), (187, 106732101), (209, 95497143), (217, 91976511), (231, 86402177), (323, 61792269), (341, 58530507), (357, 55907291), (399, 50022313), (527, 37872681), (561, 35577367), (589, 33886083), (627, 31832381), (651, 30658837), (969, 20597423), (1023, 19510169), (1309, 15247443), (1463, 13642449), (1581, 12624227), (1767, 11295361), (2261, 8827467), (2387, 8361501), (3553, 5617479), (3689, 5410383), (3927, 5082481), (4123, 4840869), (4389, 4547483), (5797, 3442971), (6479, 3080553), (6783, 2942489), (7161, 2787167), (8629, 2313003), (10013, 1993299), (10659, 1872493), (11067, 1803461), (12369, 1613623), (17391, 1147657), (19437, 1026851), (24871, 802497), (25887, 771001), (30039, 664433), (40579, 491853), (45353, 440079), (60403, 330429), (70091, 284757), (74613, 267499), (94919, 210273), (110143, 181209), (121737, 163951), (136059, 146693)]