18873792

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:207

約数の個数: 168

約数和(自身を含む): 64243712

約数和(自身を除く): 45369920

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 144, 151, 168, 186, 192, 217, 224, 248, 252, 279, 288, 302, 336, 372, 434, 448, 453, 496, 504, 558, 576, 604, 651, 672, 744, 868, 906, 992, 1008, 1057, 1116, 1208, 1302, 1344, 1359, 1488, 1736, 1812, 1953, 1984, 2016, 2114, 2232, 2416, 2604, 2718, 2976, 3171, 3472, 3624, 3906, 4032, 4228, 4464, 4681, 4832, 5208, 5436, 5952, 6342, 6944, 7248, 7812, 8456, 8928, 9362, 9513, 9664, 10416, 10872, 12684, 13888, 14043, 14496, 15624, 16912, 17856, 18724, 19026, 20832, 21744, 25368, 28086, 28992, 31248, 32767, 33824, 37448, 38052, 41664, 42129, 43488, 50736, 56172, 62496, 65534, 67648, 74896, 76104, 84258, 86976, 98301, 101472, 112344, 124992, 131068, 149792, 152208, 168516, 196602, 202944, 224688, 262136, 294903, 299584, 304416, 337032, 393204, 449376, 524272, 589806, 608832, 674064, 786408, 898752, 1048544, 1179612, 1348128, 1572816, 2097088, 2359224, 2696256, 3145632, 4718448, 6291264, 9436896, 18873792]

約数ペア:

[(1, 18873792), (2, 9436896), (3, 6291264), (4, 4718448), (6, 3145632), (7, 2696256), (8, 2359224), (9, 2097088), (12, 1572816), (14, 1348128), (16, 1179612), (18, 1048544), (21, 898752), (24, 786408), (28, 674064), (31, 608832), (32, 589806), (36, 524272), (42, 449376), (48, 393204), (56, 337032), (62, 304416), (63, 299584), (64, 294903), (72, 262136), (84, 224688), (93, 202944), (96, 196602), (112, 168516), (124, 152208), (126, 149792), (144, 131068), (151, 124992), (168, 112344), (186, 101472), (192, 98301), (217, 86976), (224, 84258), (248, 76104), (252, 74896), (279, 67648), (288, 65534), (302, 62496), (336, 56172), (372, 50736), (434, 43488), (448, 42129), (453, 41664), (496, 38052), (504, 37448), (558, 33824), (576, 32767), (604, 31248), (651, 28992), (672, 28086), (744, 25368), (868, 21744), (906, 20832), (992, 19026), (1008, 18724), (1057, 17856), (1116, 16912), (1208, 15624), (1302, 14496), (1344, 14043), (1359, 13888), (1488, 12684), (1736, 10872), (1812, 10416), (1953, 9664), (1984, 9513), (2016, 9362), (2114, 8928), (2232, 8456), (2416, 7812), (2604, 7248), (2718, 6944), (2976, 6342), (3171, 5952), (3472, 5436), (3624, 5208), (3906, 4832), (4032, 4681), (4228, 4464)]