20181996945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{3089}}^1$

素因数の和:3375

約数の個数: 96

約数和(自身を含む): 38941119360

約数和(自身を除く): 18759122415

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 67, 99, 165, 197, 201, 335, 495, 591, 603, 737, 985, 1005, 1773, 2167, 2211, 2955, 3015, 3089, 3685, 6501, 6633, 8865, 9267, 10835, 11055, 13199, 15445, 19503, 27801, 32505, 33165, 33979, 39597, 46335, 65995, 97515, 101937, 118791, 139005, 145189, 169895, 197985, 206963, 305811, 435567, 509685, 593955, 608533, 620889, 725945, 1034815, 1306701, 1529055, 1825599, 1862667, 2177835, 2276593, 3042665, 3104445, 5476797, 6533505, 6693863, 6829779, 9127995, 9313335, 11382965, 20081589, 20489337, 27383985, 33469315, 34148895, 40771711, 60244767, 100407945, 102446685, 122315133, 203858555, 301223835, 366945399, 448488821, 611575665, 1345466463, 1834726995, 2242444105, 4036399389, 6727332315, 20181996945]

約数ペア:

[(1, 20181996945), (3, 6727332315), (5, 4036399389), (9, 2242444105), (11, 1834726995), (15, 1345466463), (33, 611575665), (45, 448488821), (55, 366945399), (67, 301223835), (99, 203858555), (165, 122315133), (197, 102446685), (201, 100407945), (335, 60244767), (495, 40771711), (591, 34148895), (603, 33469315), (737, 27383985), (985, 20489337), (1005, 20081589), (1773, 11382965), (2167, 9313335), (2211, 9127995), (2955, 6829779), (3015, 6693863), (3089, 6533505), (3685, 5476797), (6501, 3104445), (6633, 3042665), (8865, 2276593), (9267, 2177835), (10835, 1862667), (11055, 1825599), (13199, 1529055), (15445, 1306701), (19503, 1034815), (27801, 725945), (32505, 620889), (33165, 608533), (33979, 593955), (39597, 509685), (46335, 435567), (65995, 305811), (97515, 206963), (101937, 197985), (118791, 169895), (139005, 145189)]