19209789.000000000

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 398099520

約数和(自身を除く): 263037320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 41, 50, 52, 56, 65, 70, 82, 91, 100, 104, 130, 140, 164, 175, 181, 182, 200, 205, 260, 280, 287, 325, 328, 350, 362, 364, 410, 455, 520, 533, 574, 650, 700, 724, 728, 820, 905, 910, 1025, 1066, 1148, 1267, 1300, 1400, 1435, 1448, 1640, 1810, 1820, 2050, 2132, 2275, 2296, 2353, 2534, 2600, 2665, 2870, 3620, 3640, 3731, 4100, 4264, 4525, 4550, 4706, 5068, 5330, 5740, 6335, 7175, 7240, 7421, 7462, 8200, 9050, 9100, 9412, 10136, 10660, 11480, 11765, 12670, 13325, 14350, 14842, 14924, 16471, 18100, 18200, 18655, 18824, 21320, 23530, 25340, 26650, 28700, 29684, 29848, 31675, 32942, 36200, 37105, 37310, 47060, 50680, 51947, 53300, 57400, 58825, 59368, 63350, 65884, 74210, 74620, 82355, 93275, 94120, 96473, 103894, 106600, 117650, 126700, 131768, 148420, 149240, 164710, 185525, 186550, 192946, 207788, 235300, 253400, 259735, 296840, 329420, 371050, 373100, 385892, 411775, 415576, 470600, 482365, 519470, 658840, 675311, 742100, 746200, 771784, 823550, 964730, 1038940, 1298675, 1350622, 1484200, 1647100, 1929460, 2077880, 2411825, 2597350, 2701244, 3294200, 3376555, 3858920, 4823650, 5194700, 5402488, 6753110, 9647300, 10389400, 13506220, 16882775, 19294600, 27012440, 33765550, 67531100, 135062200]

約数ペア:

[(1, 135062200), (2, 67531100), (4, 33765550), (5, 27012440), (7, 19294600), (8, 16882775), (10, 13506220), (13, 10389400), (14, 9647300), (20, 6753110), (25, 5402488), (26, 5194700), (28, 4823650), (35, 3858920), (40, 3376555), (41, 3294200), (50, 2701244), (52, 2597350), (56, 2411825), (65, 2077880), (70, 1929460), (82, 1647100), (91, 1484200), (100, 1350622), (104, 1298675), (130, 1038940), (140, 964730), (164, 823550), (175, 771784), (181, 746200), (182, 742100), (200, 675311), (205, 658840), (260, 519470), (280, 482365), (287, 470600), (325, 415576), (328, 411775), (350, 385892), (362, 373100), (364, 371050), (410, 329420), (455, 296840), (520, 259735), (533, 253400), (574, 235300), (650, 207788), (700, 192946), (724, 186550), (728, 185525), (820, 164710), (905, 149240), (910, 148420), (1025, 131768), (1066, 126700), (1148, 117650), (1267, 106600), (1300, 103894), (1400, 96473), (1435, 94120), (1448, 93275), (1640, 82355), (1810, 74620), (1820, 74210), (2050, 65884), (2132, 63350), (2275, 59368), (2296, 58825), (2353, 57400), (2534, 53300), (2600, 51947), (2665, 50680), (2870, 47060), (3620, 37310), (3640, 37105), (3731, 36200), (4100, 32942), (4264, 31675), (4525, 29848), (4550, 29684), (4706, 28700), (5068, 26650), (5330, 25340), (5740, 23530), (6335, 21320), (7175, 18824), (7240, 18655), (7421, 18200), (7462, 18100), (8200, 16471), (9050, 14924), (9100, 14842), (9412, 14350), (10136, 13325), (10660, 12670), (11480, 11765)]