18887904

素因数分解:

$2^5\times 3^5\times 7^1\times {\mathrm{347}}^1$

素因数の和:379

約数の個数: 144

約数和(自身を含む): 63842688

約数和(自身を除く): 44954784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 243, 252, 288, 324, 336, 347, 378, 432, 486, 504, 567, 648, 672, 694, 756, 864, 972, 1008, 1041, 1134, 1296, 1388, 1512, 1701, 1944, 2016, 2082, 2268, 2429, 2592, 2776, 3024, 3123, 3402, 3888, 4164, 4536, 4858, 5552, 6048, 6246, 6804, 7287, 7776, 8328, 9072, 9369, 9716, 11104, 12492, 13608, 14574, 16656, 18144, 18738, 19432, 21861, 24984, 27216, 28107, 29148, 33312, 37476, 38864, 43722, 49968, 54432, 56214, 58296, 65583, 74952, 77728, 84321, 87444, 99936, 112428, 116592, 131166, 149904, 168642, 174888, 196749, 224856, 233184, 262332, 299808, 337284, 349776, 393498, 449712, 524664, 590247, 674568, 699552, 786996, 899424, 1049328, 1180494, 1349136, 1573992, 2098656, 2360988, 2698272, 3147984, 4721976, 6295968, 9443952, 18887904]

約数ペア:

[(1, 18887904), (2, 9443952), (3, 6295968), (4, 4721976), (6, 3147984), (7, 2698272), (8, 2360988), (9, 2098656), (12, 1573992), (14, 1349136), (16, 1180494), (18, 1049328), (21, 899424), (24, 786996), (27, 699552), (28, 674568), (32, 590247), (36, 524664), (42, 449712), (48, 393498), (54, 349776), (56, 337284), (63, 299808), (72, 262332), (81, 233184), (84, 224856), (96, 196749), (108, 174888), (112, 168642), (126, 149904), (144, 131166), (162, 116592), (168, 112428), (189, 99936), (216, 87444), (224, 84321), (243, 77728), (252, 74952), (288, 65583), (324, 58296), (336, 56214), (347, 54432), (378, 49968), (432, 43722), (486, 38864), (504, 37476), (567, 33312), (648, 29148), (672, 28107), (694, 27216), (756, 24984), (864, 21861), (972, 19432), (1008, 18738), (1041, 18144), (1134, 16656), (1296, 14574), (1388, 13608), (1512, 12492), (1701, 11104), (1944, 9716), (2016, 9369), (2082, 9072), (2268, 8328), (2429, 7776), (2592, 7287), (2776, 6804), (3024, 6246), (3123, 6048), (3402, 5552), (3888, 4858), (4164, 4536)]