20180377413

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{12479}}^1$

素因数の和:12711

約数の個数: 72

約数和(自身を含む): 35880998400

約数和(自身を除く): 15700620987

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 193, 399, 441, 579, 931, 1197, 1351, 1737, 2793, 3667, 4053, 8379, 9457, 11001, 12159, 12479, 25669, 28371, 33003, 37437, 77007, 85113, 87353, 112311, 179683, 231021, 237101, 262059, 539049, 611471, 711303, 786177, 1617147, 1659707, 1834413, 2133909, 2408447, 4979121, 5503239, 7225341, 11617949, 14937363, 16859129, 21676023, 34853847, 45760493, 50577387, 104561541, 118013903, 137281479, 151732161, 320323451, 354041709, 411844437, 960970353, 1062125127, 2242264157, 2882911059, 6726792471, 20180377413]

約数ペア:

[(1, 20180377413), (3, 6726792471), (7, 2882911059), (9, 2242264157), (19, 1062125127), (21, 960970353), (49, 411844437), (57, 354041709), (63, 320323451), (133, 151732161), (147, 137281479), (171, 118013903), (193, 104561541), (399, 50577387), (441, 45760493), (579, 34853847), (931, 21676023), (1197, 16859129), (1351, 14937363), (1737, 11617949), (2793, 7225341), (3667, 5503239), (4053, 4979121), (8379, 2408447), (9457, 2133909), (11001, 1834413), (12159, 1659707), (12479, 1617147), (25669, 786177), (28371, 711303), (33003, 611471), (37437, 539049), (77007, 262059), (85113, 237101), (87353, 231021), (112311, 179683)]