18915663660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{15859}}^1$

素因数の和:16167

約数の個数: 96

約数和(自身を含む): 53758548480

約数和(自身を除く): 34842884820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 193, 206, 309, 386, 412, 515, 579, 618, 772, 965, 1030, 1158, 1236, 1545, 1930, 2060, 2316, 2895, 3090, 3860, 5790, 6180, 11580, 15859, 19879, 31718, 39758, 47577, 59637, 63436, 79295, 79516, 95154, 99395, 119274, 158590, 190308, 198790, 237885, 238548, 298185, 317180, 397580, 475770, 596370, 951540, 1192740, 1633477, 3060787, 3266954, 4900431, 6121574, 6533908, 8167385, 9182361, 9800862, 12243148, 15303935, 16334770, 18364722, 19601724, 24502155, 30607870, 32669540, 36729444, 45911805, 49004310, 61215740, 91823610, 98008620, 183647220, 315261061, 630522122, 945783183, 1261044244, 1576305305, 1891566366, 3152610610, 3783132732, 4728915915, 6305221220, 9457831830, 18915663660]

約数ペア:

[(1, 18915663660), (2, 9457831830), (3, 6305221220), (4, 4728915915), (5, 3783132732), (6, 3152610610), (10, 1891566366), (12, 1576305305), (15, 1261044244), (20, 945783183), (30, 630522122), (60, 315261061), (103, 183647220), (193, 98008620), (206, 91823610), (309, 61215740), (386, 49004310), (412, 45911805), (515, 36729444), (579, 32669540), (618, 30607870), (772, 24502155), (965, 19601724), (1030, 18364722), (1158, 16334770), (1236, 15303935), (1545, 12243148), (1930, 9800862), (2060, 9182361), (2316, 8167385), (2895, 6533908), (3090, 6121574), (3860, 4900431), (5790, 3266954), (6180, 3060787), (11580, 1633477), (15859, 1192740), (19879, 951540), (31718, 596370), (39758, 475770), (47577, 397580), (59637, 317180), (63436, 298185), (79295, 238548), (79516, 237885), (95154, 198790), (99395, 190308), (119274, 158590)]