18900672

素因数分解:

$2^6\times 3^1\times 7^4\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 140

約数和(自身を含む): 59762136

約数和(自身を除く): 40861464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 49, 56, 64, 82, 84, 96, 98, 112, 123, 147, 164, 168, 192, 196, 224, 246, 287, 294, 328, 336, 343, 392, 448, 492, 574, 588, 656, 672, 686, 784, 861, 984, 1029, 1148, 1176, 1312, 1344, 1372, 1568, 1722, 1968, 2009, 2058, 2296, 2352, 2401, 2624, 2744, 3136, 3444, 3936, 4018, 4116, 4592, 4704, 4802, 5488, 6027, 6888, 7203, 7872, 8036, 8232, 9184, 9408, 9604, 10976, 12054, 13776, 14063, 14406, 16072, 16464, 18368, 19208, 21952, 24108, 27552, 28126, 28812, 32144, 32928, 38416, 42189, 48216, 55104, 56252, 57624, 64288, 65856, 76832, 84378, 96432, 98441, 112504, 115248, 128576, 153664, 168756, 192864, 196882, 225008, 230496, 295323, 337512, 385728, 393764, 450016, 460992, 590646, 675024, 787528, 900032, 1181292, 1350048, 1575056, 2362584, 2700096, 3150112, 4725168, 6300224, 9450336, 18900672]

約数ペア:

[(1, 18900672), (2, 9450336), (3, 6300224), (4, 4725168), (6, 3150112), (7, 2700096), (8, 2362584), (12, 1575056), (14, 1350048), (16, 1181292), (21, 900032), (24, 787528), (28, 675024), (32, 590646), (41, 460992), (42, 450016), (48, 393764), (49, 385728), (56, 337512), (64, 295323), (82, 230496), (84, 225008), (96, 196882), (98, 192864), (112, 168756), (123, 153664), (147, 128576), (164, 115248), (168, 112504), (192, 98441), (196, 96432), (224, 84378), (246, 76832), (287, 65856), (294, 64288), (328, 57624), (336, 56252), (343, 55104), (392, 48216), (448, 42189), (492, 38416), (574, 32928), (588, 32144), (656, 28812), (672, 28126), (686, 27552), (784, 24108), (861, 21952), (984, 19208), (1029, 18368), (1148, 16464), (1176, 16072), (1312, 14406), (1344, 14063), (1372, 13776), (1568, 12054), (1722, 10976), (1968, 9604), (2009, 9408), (2058, 9184), (2296, 8232), (2352, 8036), (2401, 7872), (2624, 7203), (2744, 6888), (3136, 6027), (3444, 5488), (3936, 4802), (4018, 4704), (4116, 4592)]