1812883956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{20789}}^1$

素因数の和:20865

約数の個数: 72

約数和(自身を含む): 4687230240

約数和(自身を除く): 2874346284

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 169, 172, 258, 338, 507, 516, 559, 676, 1014, 1118, 1677, 2028, 2236, 3354, 6708, 7267, 14534, 20789, 21801, 29068, 41578, 43602, 62367, 83156, 87204, 124734, 249468, 270257, 540514, 810771, 893927, 1081028, 1621542, 1787854, 2681781, 3243084, 3513341, 3575708, 5363562, 7026682, 10540023, 10727124, 11621051, 14053364, 21080046, 23242102, 34863153, 42160092, 46484204, 69726306, 139452612, 151073663, 302147326, 453220989, 604294652, 906441978, 1812883956]

約数ペア:

[(1, 1812883956), (2, 906441978), (3, 604294652), (4, 453220989), (6, 302147326), (12, 151073663), (13, 139452612), (26, 69726306), (39, 46484204), (43, 42160092), (52, 34863153), (78, 23242102), (86, 21080046), (129, 14053364), (156, 11621051), (169, 10727124), (172, 10540023), (258, 7026682), (338, 5363562), (507, 3575708), (516, 3513341), (559, 3243084), (676, 2681781), (1014, 1787854), (1118, 1621542), (1677, 1081028), (2028, 893927), (2236, 810771), (3354, 540514), (6708, 270257), (7267, 249468), (14534, 124734), (20789, 87204), (21801, 83156), (29068, 62367), (41578, 43602)]