1921453812

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:340

約数の個数: 240

約数和(自身を含む): 5610528000

約数和(自身を除く): 3689074188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 29, 36, 38, 47, 54, 57, 58, 76, 81, 87, 94, 108, 114, 116, 141, 162, 171, 174, 188, 228, 229, 261, 282, 324, 342, 348, 423, 458, 513, 522, 551, 564, 684, 687, 783, 846, 893, 916, 1026, 1044, 1102, 1269, 1363, 1374, 1539, 1566, 1653, 1692, 1786, 2052, 2061, 2204, 2349, 2538, 2679, 2726, 2748, 3078, 3132, 3306, 3572, 3807, 4089, 4122, 4351, 4698, 4959, 5076, 5358, 5452, 6156, 6183, 6612, 6641, 7614, 8037, 8178, 8244, 8702, 9396, 9918, 10716, 10763, 12267, 12366, 13053, 13282, 14877, 15228, 16074, 16356, 17404, 18549, 19836, 19923, 21526, 24111, 24534, 24732, 25897, 26106, 26564, 29754, 32148, 32289, 36801, 37098, 39159, 39846, 43052, 44631, 48222, 49068, 51794, 52212, 59508, 59769, 64578, 72333, 73602, 74196, 77691, 78318, 79692, 89262, 96444, 96867, 103588, 110403, 117477, 119538, 126179, 129156, 144666, 147204, 155382, 156636, 178524, 179307, 193734, 204497, 220806, 233073, 234954, 239076, 252358, 289332, 290601, 310764, 312127, 352431, 358614, 378537, 387468, 408994, 441612, 466146, 469908, 504716, 537921, 581202, 613491, 624254, 699219, 704862, 717228, 757074, 817988, 871803, 932292, 936381, 1075842, 1135611, 1162404, 1226982, 1248508, 1398438, 1409724, 1514148, 1743606, 1840473, 1872762, 2097657, 2151684, 2271222, 2453964, 2796876, 2809143, 3406833, 3487212, 3680946, 3745524, 4195314, 4542444, 5521419, 5618286, 5930413, 6813666, 7361892, 8390628, 8427429, 10220499, 11042838, 11236572, 11860826, 13627332, 16564257, 16854858, 17791239, 20440998, 22085676, 23721652, 25282287, 33128514, 33709716, 35582478, 40881996, 50564574, 53373717, 66257028, 71164956, 101129148, 106747434, 160121151, 213494868, 320242302, 480363453, 640484604, 960726906, 1921453812]

約数ペア:

[(1, 1921453812), (2, 960726906), (3, 640484604), (4, 480363453), (6, 320242302), (9, 213494868), (12, 160121151), (18, 106747434), (19, 101129148), (27, 71164956), (29, 66257028), (36, 53373717), (38, 50564574), (47, 40881996), (54, 35582478), (57, 33709716), (58, 33128514), (76, 25282287), (81, 23721652), (87, 22085676), (94, 20440998), (108, 17791239), (114, 16854858), (116, 16564257), (141, 13627332), (162, 11860826), (171, 11236572), (174, 11042838), (188, 10220499), (228, 8427429), (229, 8390628), (261, 7361892), (282, 6813666), (324, 5930413), (342, 5618286), (348, 5521419), (423, 4542444), (458, 4195314), (513, 3745524), (522, 3680946), (551, 3487212), (564, 3406833), (684, 2809143), (687, 2796876), (783, 2453964), (846, 2271222), (893, 2151684), (916, 2097657), (1026, 1872762), (1044, 1840473), (1102, 1743606), (1269, 1514148), (1363, 1409724), (1374, 1398438), (1539, 1248508), (1566, 1226982), (1653, 1162404), (1692, 1135611), (1786, 1075842), (2052, 936381), (2061, 932292), (2204, 871803), (2349, 817988), (2538, 757074), (2679, 717228), (2726, 704862), (2748, 699219), (3078, 624254), (3132, 613491), (3306, 581202), (3572, 537921), (3807, 504716), (4089, 469908), (4122, 466146), (4351, 441612), (4698, 408994), (4959, 387468), (5076, 378537), (5358, 358614), (5452, 352431), (6156, 312127), (6183, 310764), (6612, 290601), (6641, 289332), (7614, 252358), (8037, 239076), (8178, 234954), (8244, 233073), (8702, 220806), (9396, 204497), (9918, 193734), (10716, 179307), (10763, 178524), (12267, 156636), (12366, 155382), (13053, 147204), (13282, 144666), (14877, 129156), (15228, 126179), (16074, 119538), (16356, 117477), (17404, 110403), (18549, 103588), (19836, 96867), (19923, 96444), (21526, 89262), (24111, 79692), (24534, 78318), (24732, 77691), (25897, 74196), (26106, 73602), (26564, 72333), (29754, 64578), (32148, 59769), (32289, 59508), (36801, 52212), (37098, 51794), (39159, 49068), (39846, 48222), (43052, 44631)]