19297278

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:69

約数の個数: 240

約数和(自身を含む): 62569584

約数和(自身を除く): 43272306

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 17, 18, 21, 22, 26, 27, 33, 34, 39, 42, 49, 51, 54, 63, 66, 77, 78, 81, 91, 98, 99, 102, 117, 119, 126, 143, 147, 153, 154, 162, 182, 187, 189, 198, 221, 231, 234, 238, 273, 286, 294, 297, 306, 351, 357, 374, 378, 429, 441, 442, 459, 462, 539, 546, 561, 567, 594, 637, 663, 693, 702, 714, 819, 833, 858, 882, 891, 918, 1001, 1053, 1071, 1078, 1122, 1134, 1274, 1287, 1309, 1323, 1326, 1377, 1386, 1547, 1617, 1638, 1666, 1683, 1782, 1911, 1989, 2002, 2079, 2106, 2142, 2431, 2457, 2499, 2574, 2618, 2646, 2754, 3003, 3094, 3213, 3234, 3366, 3822, 3861, 3927, 3969, 3978, 4158, 4641, 4851, 4862, 4914, 4998, 5049, 5733, 5967, 6006, 6237, 6426, 7007, 7293, 7371, 7497, 7722, 7854, 7938, 9009, 9163, 9282, 9639, 9702, 10098, 10829, 11466, 11583, 11781, 11934, 12474, 13923, 14014, 14553, 14586, 14742, 14994, 15147, 17017, 17199, 17901, 18018, 18326, 19278, 21021, 21658, 21879, 22491, 23166, 23562, 27027, 27489, 27846, 29106, 30294, 32487, 34034, 34398, 35343, 35802, 41769, 42042, 43659, 43758, 44982, 51051, 51597, 54054, 54978, 63063, 64974, 65637, 67473, 70686, 81081, 82467, 83538, 87318, 97461, 102102, 103194, 106029, 119119, 125307, 126126, 131274, 134946, 153153, 162162, 164934, 189189, 194922, 196911, 212058, 238238, 247401, 250614, 292383, 306306, 357357, 378378, 393822, 459459, 494802, 567567, 584766, 714714, 742203, 877149, 918918, 1072071, 1135134, 1378377, 1484406, 1754298, 2144142, 2756754, 3216213, 6432426, 9648639, 19297278]

約数ペア:

[(1, 19297278), (2, 9648639), (3, 6432426), (6, 3216213), (7, 2756754), (9, 2144142), (11, 1754298), (13, 1484406), (14, 1378377), (17, 1135134), (18, 1072071), (21, 918918), (22, 877149), (26, 742203), (27, 714714), (33, 584766), (34, 567567), (39, 494802), (42, 459459), (49, 393822), (51, 378378), (54, 357357), (63, 306306), (66, 292383), (77, 250614), (78, 247401), (81, 238238), (91, 212058), (98, 196911), (99, 194922), (102, 189189), (117, 164934), (119, 162162), (126, 153153), (143, 134946), (147, 131274), (153, 126126), (154, 125307), (162, 119119), (182, 106029), (187, 103194), (189, 102102), (198, 97461), (221, 87318), (231, 83538), (234, 82467), (238, 81081), (273, 70686), (286, 67473), (294, 65637), (297, 64974), (306, 63063), (351, 54978), (357, 54054), (374, 51597), (378, 51051), (429, 44982), (441, 43758), (442, 43659), (459, 42042), (462, 41769), (539, 35802), (546, 35343), (561, 34398), (567, 34034), (594, 32487), (637, 30294), (663, 29106), (693, 27846), (702, 27489), (714, 27027), (819, 23562), (833, 23166), (858, 22491), (882, 21879), (891, 21658), (918, 21021), (1001, 19278), (1053, 18326), (1071, 18018), (1078, 17901), (1122, 17199), (1134, 17017), (1274, 15147), (1287, 14994), (1309, 14742), (1323, 14586), (1326, 14553), (1377, 14014), (1386, 13923), (1547, 12474), (1617, 11934), (1638, 11781), (1666, 11583), (1683, 11466), (1782, 10829), (1911, 10098), (1989, 9702), (2002, 9639), (2079, 9282), (2106, 9163), (2142, 9009), (2431, 7938), (2457, 7854), (2499, 7722), (2574, 7497), (2618, 7371), (2646, 7293), (2754, 7007), (3003, 6426), (3094, 6237), (3213, 6006), (3234, 5967), (3366, 5733), (3822, 5049), (3861, 4998), (3927, 4914), (3969, 4862), (3978, 4851), (4158, 4641)]