18325804

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 72

約数和(自身を含む): 40538400

約数和(自身を除く): 22212596

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 49, 74, 76, 98, 133, 148, 196, 259, 266, 343, 361, 518, 532, 686, 703, 722, 931, 1036, 1372, 1406, 1444, 1813, 1862, 2527, 2812, 3626, 3724, 4921, 5054, 6517, 7252, 9842, 10108, 12691, 13034, 13357, 17689, 19684, 25382, 26068, 26714, 34447, 35378, 50764, 53428, 68894, 70756, 93499, 123823, 137788, 186998, 241129, 247646, 373996, 482258, 495292, 654493, 964516, 1308986, 2617972, 4581451, 9162902, 18325804]

約数ペア:

[(1, 18325804), (2, 9162902), (4, 4581451), (7, 2617972), (14, 1308986), (19, 964516), (28, 654493), (37, 495292), (38, 482258), (49, 373996), (74, 247646), (76, 241129), (98, 186998), (133, 137788), (148, 123823), (196, 93499), (259, 70756), (266, 68894), (343, 53428), (361, 50764), (518, 35378), (532, 34447), (686, 26714), (703, 26068), (722, 25382), (931, 19684), (1036, 17689), (1372, 13357), (1406, 13034), (1444, 12691), (1813, 10108), (1862, 9842), (2527, 7252), (2812, 6517), (3626, 5054), (3724, 4921)]