19987688856

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1\times {\mathrm{1453}}^1$

素因数の和:1889

約数の個数: 128

約数和(自身を含む): 53349004800

約数和(自身を除く): 33361315944

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 97, 114, 152, 194, 228, 291, 311, 388, 456, 582, 622, 776, 933, 1164, 1244, 1453, 1843, 1866, 2328, 2488, 2906, 3686, 3732, 4359, 5529, 5812, 5909, 7372, 7464, 8718, 11058, 11624, 11818, 14744, 17436, 17727, 22116, 23636, 27607, 30167, 34872, 35454, 44232, 47272, 55214, 60334, 70908, 82821, 90501, 110428, 120668, 140941, 141816, 165642, 181002, 220856, 241336, 281882, 331284, 362004, 422823, 451883, 563764, 573173, 662568, 724008, 845646, 903766, 1127528, 1146346, 1355649, 1691292, 1719519, 1807532, 2292692, 2677879, 2711298, 3382584, 3439038, 3615064, 4585384, 5355758, 5422596, 6878076, 8033637, 8585777, 10711516, 10845192, 13756152, 16067274, 17171554, 21423032, 25757331, 32134548, 34343108, 43832651, 51514662, 64269096, 68686216, 87665302, 103029324, 131497953, 175330604, 206058648, 262995906, 350661208, 525991812, 832820369, 1051983624, 1665640738, 2498461107, 3331281476, 4996922214, 6662562952, 9993844428, 19987688856]

約数ペア:

[(1, 19987688856), (2, 9993844428), (3, 6662562952), (4, 4996922214), (6, 3331281476), (8, 2498461107), (12, 1665640738), (19, 1051983624), (24, 832820369), (38, 525991812), (57, 350661208), (76, 262995906), (97, 206058648), (114, 175330604), (152, 131497953), (194, 103029324), (228, 87665302), (291, 68686216), (311, 64269096), (388, 51514662), (456, 43832651), (582, 34343108), (622, 32134548), (776, 25757331), (933, 21423032), (1164, 17171554), (1244, 16067274), (1453, 13756152), (1843, 10845192), (1866, 10711516), (2328, 8585777), (2488, 8033637), (2906, 6878076), (3686, 5422596), (3732, 5355758), (4359, 4585384), (5529, 3615064), (5812, 3439038), (5909, 3382584), (7372, 2711298), (7464, 2677879), (8718, 2292692), (11058, 1807532), (11624, 1719519), (11818, 1691292), (14744, 1355649), (17436, 1146346), (17727, 1127528), (22116, 903766), (23636, 845646), (27607, 724008), (30167, 662568), (34872, 573173), (35454, 563764), (44232, 451883), (47272, 422823), (55214, 362004), (60334, 331284), (70908, 281882), (82821, 241336), (90501, 220856), (110428, 181002), (120668, 165642), (140941, 141816)]