18854637452

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1\times {\mathrm{38971}}^1$

素因数の和:39486

約数の個数: 48

約数和(自身を含む): 38812370688

約数和(自身を除く): 19957733236

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 467, 518, 934, 1036, 1868, 3269, 6538, 13076, 17279, 34558, 38971, 69116, 77942, 120953, 155884, 241906, 272797, 483812, 545594, 1091188, 1441927, 2883854, 5767708, 10093489, 18199457, 20186978, 36398914, 40373956, 72797828, 127396199, 254792398, 509584796, 673379909, 1346759818, 2693519636, 4713659363, 9427318726, 18854637452]

約数ペア:

[(1, 18854637452), (2, 9427318726), (4, 4713659363), (7, 2693519636), (14, 1346759818), (28, 673379909), (37, 509584796), (74, 254792398), (148, 127396199), (259, 72797828), (467, 40373956), (518, 36398914), (934, 20186978), (1036, 18199457), (1868, 10093489), (3269, 5767708), (6538, 2883854), (13076, 1441927), (17279, 1091188), (34558, 545594), (38971, 483812), (69116, 272797), (77942, 241906), (120953, 155884)]