18807544

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 42955200

約数和(自身を除く): 24147656

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 37, 56, 58, 74, 116, 148, 203, 232, 259, 296, 313, 406, 518, 626, 812, 1036, 1073, 1252, 1624, 2072, 2146, 2191, 2504, 4292, 4382, 7511, 8584, 8764, 9077, 11581, 15022, 17528, 18154, 23162, 30044, 36308, 46324, 60088, 63539, 72616, 81067, 92648, 127078, 162134, 254156, 324268, 335849, 508312, 648536, 671698, 1343396, 2350943, 2686792, 4701886, 9403772, 18807544]

約数ペア:

[(1, 18807544), (2, 9403772), (4, 4701886), (7, 2686792), (8, 2350943), (14, 1343396), (28, 671698), (29, 648536), (37, 508312), (56, 335849), (58, 324268), (74, 254156), (116, 162134), (148, 127078), (203, 92648), (232, 81067), (259, 72616), (296, 63539), (313, 60088), (406, 46324), (518, 36308), (626, 30044), (812, 23162), (1036, 18154), (1073, 17528), (1252, 15022), (1624, 11581), (2072, 9077), (2146, 8764), (2191, 8584), (2504, 7511), (4292, 4382)]