18754848

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{443}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 63776160

約数和(自身を除く): 45021312

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, 443, 504, 588, 672, 756, 784, 864, 882, 886, 1008, 1176, 1323, 1329, 1512, 1568, 1764, 1772, 2016, 2352, 2646, 2658, 3024, 3101, 3528, 3544, 3987, 4704, 5292, 5316, 6048, 6202, 7056, 7088, 7974, 9303, 10584, 10632, 11961, 12404, 14112, 14176, 15948, 18606, 21168, 21264, 21707, 23922, 24808, 27909, 31896, 37212, 42336, 42528, 43414, 47844, 49616, 55818, 63792, 65121, 74424, 83727, 86828, 95688, 99232, 111636, 127584, 130242, 148848, 167454, 173656, 191376, 195363, 223272, 260484, 297696, 334908, 347312, 382752, 390726, 446544, 520968, 586089, 669816, 694624, 781452, 893088, 1041936, 1172178, 1339632, 1562904, 2083872, 2344356, 2679264, 3125808, 4688712, 6251616, 9377424, 18754848]

約数ペア:

[(1, 18754848), (2, 9377424), (3, 6251616), (4, 4688712), (6, 3125808), (7, 2679264), (8, 2344356), (9, 2083872), (12, 1562904), (14, 1339632), (16, 1172178), (18, 1041936), (21, 893088), (24, 781452), (27, 694624), (28, 669816), (32, 586089), (36, 520968), (42, 446544), (48, 390726), (49, 382752), (54, 347312), (56, 334908), (63, 297696), (72, 260484), (84, 223272), (96, 195363), (98, 191376), (108, 173656), (112, 167454), (126, 148848), (144, 130242), (147, 127584), (168, 111636), (189, 99232), (196, 95688), (216, 86828), (224, 83727), (252, 74424), (288, 65121), (294, 63792), (336, 55818), (378, 49616), (392, 47844), (432, 43414), (441, 42528), (443, 42336), (504, 37212), (588, 31896), (672, 27909), (756, 24808), (784, 23922), (864, 21707), (882, 21264), (886, 21168), (1008, 18606), (1176, 15948), (1323, 14176), (1329, 14112), (1512, 12404), (1568, 11961), (1764, 10632), (1772, 10584), (2016, 9303), (2352, 7974), (2646, 7088), (2658, 7056), (3024, 6202), (3101, 6048), (3528, 5316), (3544, 5292), (3987, 4704)]