19770912

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{467}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 47452608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 467, 504, 588, 672, 756, 784, 864, 882, 934, 1008, 1176, 1323, 1401, 1512, 1568, 1764, 1868, 2016, 2352, 2646, 2802, 3024, 3269, 3528, 3736, 4203, 4704, 5292, 5604, 6048, 6538, 7056, 7472, 8406, 9807, 10584, 11208, 12609, 13076, 14112, 14944, 16812, 19614, 21168, 22416, 22883, 25218, 26152, 29421, 33624, 39228, 42336, 44832, 45766, 50436, 52304, 58842, 67248, 68649, 78456, 88263, 91532, 100872, 104608, 117684, 134496, 137298, 156912, 176526, 183064, 201744, 205947, 235368, 274596, 313824, 353052, 366128, 403488, 411894, 470736, 549192, 617841, 706104, 732256, 823788, 941472, 1098384, 1235682, 1412208, 1647576, 2196768, 2471364, 2824416, 3295152, 4942728, 6590304, 9885456, 19770912]

約数ペア:

[(1, 19770912), (2, 9885456), (3, 6590304), (4, 4942728), (6, 3295152), (7, 2824416), (8, 2471364), (9, 2196768), (12, 1647576), (14, 1412208), (16, 1235682), (18, 1098384), (21, 941472), (24, 823788), (27, 732256), (28, 706104), (32, 617841), (36, 549192), (42, 470736), (48, 411894), (49, 403488), (54, 366128), (56, 353052), (63, 313824), (72, 274596), (84, 235368), (96, 205947), (98, 201744), (108, 183064), (112, 176526), (126, 156912), (144, 137298), (147, 134496), (168, 117684), (189, 104608), (196, 100872), (216, 91532), (224, 88263), (252, 78456), (288, 68649), (294, 67248), (336, 58842), (378, 52304), (392, 50436), (432, 45766), (441, 44832), (467, 42336), (504, 39228), (588, 33624), (672, 29421), (756, 26152), (784, 25218), (864, 22883), (882, 22416), (934, 21168), (1008, 19614), (1176, 16812), (1323, 14944), (1401, 14112), (1512, 13076), (1568, 12609), (1764, 11208), (1868, 10584), (2016, 9807), (2352, 8406), (2646, 7472), (2802, 7056), (3024, 6538), (3269, 6048), (3528, 5604), (3736, 5292), (4203, 4704)]