201919212

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13781}}^1$

素因数の和:13839

約数の個数: 72

約数和(自身を含む): 571897872

約数和(自身を除く): 369978660

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1332, 1628, 2442, 3663, 4884, 7326, 13781, 14652, 27562, 41343, 55124, 82686, 124029, 151591, 165372, 248058, 303182, 454773, 496116, 509897, 606364, 909546, 1019794, 1364319, 1529691, 1819092, 2039588, 2728638, 3059382, 4589073, 5457276, 5608867, 6118764, 9178146, 11217734, 16826601, 18356292, 22435468, 33653202, 50479803, 67306404, 100959606, 201919212]

約数ペア:

[(1, 201919212), (2, 100959606), (3, 67306404), (4, 50479803), (6, 33653202), (9, 22435468), (11, 18356292), (12, 16826601), (18, 11217734), (22, 9178146), (33, 6118764), (36, 5608867), (37, 5457276), (44, 4589073), (66, 3059382), (74, 2728638), (99, 2039588), (111, 1819092), (132, 1529691), (148, 1364319), (198, 1019794), (222, 909546), (333, 606364), (396, 509897), (407, 496116), (444, 454773), (666, 303182), (814, 248058), (1221, 165372), (1332, 151591), (1628, 124029), (2442, 82686), (3663, 55124), (4884, 41343), (7326, 27562), (13781, 14652)]