19556784

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:395

約数の個数: 120

約数和(自身を含む): 61023872

約数和(自身を除く): 41467088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 337, 372, 403, 468, 496, 558, 624, 674, 744, 806, 936, 1011, 1116, 1209, 1348, 1488, 1612, 1872, 2022, 2232, 2418, 2696, 3033, 3224, 3627, 4044, 4381, 4464, 4836, 5392, 6066, 6448, 7254, 8088, 8762, 9672, 10447, 12132, 13143, 14508, 16176, 17524, 19344, 20894, 24264, 26286, 29016, 31341, 35048, 39429, 41788, 48528, 52572, 58032, 62682, 70096, 78858, 83576, 94023, 105144, 125364, 135811, 157716, 167152, 188046, 210288, 250728, 271622, 315432, 376092, 407433, 501456, 543244, 630864, 752184, 814866, 1086488, 1222299, 1504368, 1629732, 2172976, 2444598, 3259464, 4889196, 6518928, 9778392, 19556784]

約数ペア:

[(1, 19556784), (2, 9778392), (3, 6518928), (4, 4889196), (6, 3259464), (8, 2444598), (9, 2172976), (12, 1629732), (13, 1504368), (16, 1222299), (18, 1086488), (24, 814866), (26, 752184), (31, 630864), (36, 543244), (39, 501456), (48, 407433), (52, 376092), (62, 315432), (72, 271622), (78, 250728), (93, 210288), (104, 188046), (117, 167152), (124, 157716), (144, 135811), (156, 125364), (186, 105144), (208, 94023), (234, 83576), (248, 78858), (279, 70096), (312, 62682), (337, 58032), (372, 52572), (403, 48528), (468, 41788), (496, 39429), (558, 35048), (624, 31341), (674, 29016), (744, 26286), (806, 24264), (936, 20894), (1011, 19344), (1116, 17524), (1209, 16176), (1348, 14508), (1488, 13143), (1612, 12132), (1872, 10447), (2022, 9672), (2232, 8762), (2418, 8088), (2696, 7254), (3033, 6448), (3224, 6066), (3627, 5392), (4044, 4836), (4381, 4464)]