19998228105

素因数分解:

$3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{5741}}^1$

素因数の和:5869

約数の個数: 96

約数和(自身を含む): 37320611328

約数和(自身を除く): 17322383223

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 61, 81, 135, 141, 183, 235, 243, 305, 405, 423, 549, 705, 915, 1215, 1269, 1647, 2115, 2745, 2867, 3807, 4941, 5741, 6345, 8235, 8601, 11421, 14335, 14823, 17223, 19035, 24705, 25803, 28705, 43005, 51669, 57105, 74115, 77409, 86115, 129015, 155007, 232227, 258345, 269827, 350201, 387045, 465021, 696681, 775035, 809481, 1050603, 1161135, 1349135, 1395063, 1751005, 2325105, 2428443, 3151809, 3483405, 4047405, 5253015, 6975315, 7285329, 9455427, 12142215, 15759045, 16459447, 21855987, 28366281, 36426645, 47277135, 49378341, 65567961, 82297235, 85098843, 109279935, 141831405, 148135023, 246891705, 327839805, 425494215, 444405069, 740675115, 1333215207, 2222025345, 3999645621, 6666076035, 19998228105]

約数ペア:

[(1, 19998228105), (3, 6666076035), (5, 3999645621), (9, 2222025345), (15, 1333215207), (27, 740675115), (45, 444405069), (47, 425494215), (61, 327839805), (81, 246891705), (135, 148135023), (141, 141831405), (183, 109279935), (235, 85098843), (243, 82297235), (305, 65567961), (405, 49378341), (423, 47277135), (549, 36426645), (705, 28366281), (915, 21855987), (1215, 16459447), (1269, 15759045), (1647, 12142215), (2115, 9455427), (2745, 7285329), (2867, 6975315), (3807, 5253015), (4941, 4047405), (5741, 3483405), (6345, 3151809), (8235, 2428443), (8601, 2325105), (11421, 1751005), (14335, 1395063), (14823, 1349135), (17223, 1161135), (19035, 1050603), (24705, 809481), (25803, 775035), (28705, 696681), (43005, 465021), (51669, 387045), (57105, 350201), (74115, 269827), (77409, 258345), (86115, 232227), (129015, 155007)]