18218996964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1\times {\mathrm{719}}^1$

素因数の和:1450

約数の個数: 144

約数和(自身を含む): 53080634880

約数和(自身を除く): 34861637916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 193, 252, 386, 521, 579, 719, 772, 1042, 1158, 1351, 1438, 1563, 1737, 2084, 2157, 2316, 2702, 2876, 3126, 3474, 3647, 4053, 4314, 4689, 5033, 5404, 6252, 6471, 6948, 7294, 8106, 8628, 9378, 10066, 10941, 12159, 12942, 14588, 15099, 16212, 18756, 20132, 21882, 24318, 25884, 30198, 32823, 43764, 45297, 48636, 60396, 65646, 90594, 100553, 131292, 138767, 181188, 201106, 277534, 301659, 374599, 402212, 416301, 555068, 603318, 703871, 749198, 832602, 904977, 971369, 1123797, 1206636, 1248903, 1407742, 1498396, 1665204, 1809954, 1942738, 2111613, 2247594, 2497806, 2622193, 2815484, 2914107, 3371391, 3619908, 3885476, 4223226, 4495188, 4995612, 5244386, 5828214, 6334839, 6742782, 7866579, 8446452, 8742321, 10488772, 11656428, 12669678, 13485564, 15733158, 17484642, 23599737, 25339356, 31466316, 34969284, 47199474, 72297607, 94398948, 144595214, 216892821, 289190428, 433785642, 506083249, 650678463, 867571284, 1012166498, 1301356926, 1518249747, 2024332996, 2602713852, 3036499494, 4554749241, 6072998988, 9109498482, 18218996964]

約数ペア:

[(1, 18218996964), (2, 9109498482), (3, 6072998988), (4, 4554749241), (6, 3036499494), (7, 2602713852), (9, 2024332996), (12, 1518249747), (14, 1301356926), (18, 1012166498), (21, 867571284), (28, 650678463), (36, 506083249), (42, 433785642), (63, 289190428), (84, 216892821), (126, 144595214), (193, 94398948), (252, 72297607), (386, 47199474), (521, 34969284), (579, 31466316), (719, 25339356), (772, 23599737), (1042, 17484642), (1158, 15733158), (1351, 13485564), (1438, 12669678), (1563, 11656428), (1737, 10488772), (2084, 8742321), (2157, 8446452), (2316, 7866579), (2702, 6742782), (2876, 6334839), (3126, 5828214), (3474, 5244386), (3647, 4995612), (4053, 4495188), (4314, 4223226), (4689, 3885476), (5033, 3619908), (5404, 3371391), (6252, 2914107), (6471, 2815484), (6948, 2622193), (7294, 2497806), (8106, 2247594), (8628, 2111613), (9378, 1942738), (10066, 1809954), (10941, 1665204), (12159, 1498396), (12942, 1407742), (14588, 1248903), (15099, 1206636), (16212, 1123797), (18756, 971369), (20132, 904977), (21882, 832602), (24318, 749198), (25884, 703871), (30198, 603318), (32823, 555068), (43764, 416301), (45297, 402212), (48636, 374599), (60396, 301659), (65646, 277534), (90594, 201106), (100553, 181188), (131292, 138767)]