19204380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 65126880

約数和(自身を除く): 45922500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 283, 290, 348, 377, 390, 435, 468, 522, 566, 580, 585, 754, 780, 849, 870, 1044, 1131, 1132, 1170, 1305, 1415, 1508, 1698, 1740, 1885, 2262, 2340, 2547, 2610, 2830, 3393, 3396, 3679, 3770, 4245, 4524, 5094, 5220, 5655, 5660, 6786, 7358, 7540, 8207, 8490, 10188, 11037, 11310, 12735, 13572, 14716, 16414, 16965, 16980, 18395, 22074, 22620, 24621, 25470, 32828, 33111, 33930, 36790, 41035, 44148, 49242, 50940, 55185, 66222, 67860, 73580, 73863, 82070, 98484, 106691, 110370, 123105, 132444, 147726, 164140, 165555, 213382, 220740, 246210, 295452, 320073, 331110, 369315, 426764, 492420, 533455, 640146, 662220, 738630, 960219, 1066910, 1280292, 1477260, 1600365, 1920438, 2133820, 3200730, 3840876, 4801095, 6401460, 9602190, 19204380]

約数ペア:

[(1, 19204380), (2, 9602190), (3, 6401460), (4, 4801095), (5, 3840876), (6, 3200730), (9, 2133820), (10, 1920438), (12, 1600365), (13, 1477260), (15, 1280292), (18, 1066910), (20, 960219), (26, 738630), (29, 662220), (30, 640146), (36, 533455), (39, 492420), (45, 426764), (52, 369315), (58, 331110), (60, 320073), (65, 295452), (78, 246210), (87, 220740), (90, 213382), (116, 165555), (117, 164140), (130, 147726), (145, 132444), (156, 123105), (174, 110370), (180, 106691), (195, 98484), (234, 82070), (260, 73863), (261, 73580), (283, 67860), (290, 66222), (348, 55185), (377, 50940), (390, 49242), (435, 44148), (468, 41035), (522, 36790), (566, 33930), (580, 33111), (585, 32828), (754, 25470), (780, 24621), (849, 22620), (870, 22074), (1044, 18395), (1131, 16980), (1132, 16965), (1170, 16414), (1305, 14716), (1415, 13572), (1508, 12735), (1698, 11310), (1740, 11037), (1885, 10188), (2262, 8490), (2340, 8207), (2547, 7540), (2610, 7358), (2830, 6786), (3393, 5660), (3396, 5655), (3679, 5220), (3770, 5094), (4245, 4524)]