19211999202

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{178693}}^1$

素因数の和:178896

約数の個数: 64

約数和(自身を含む): 46832123520

約数和(自身を除く): 27620124318

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 181, 198, 297, 362, 543, 594, 1086, 1629, 1991, 3258, 3982, 4887, 5973, 9774, 11946, 17919, 35838, 53757, 107514, 178693, 357386, 536079, 1072158, 1608237, 1965623, 3216474, 3931246, 4824711, 5896869, 9649422, 11793738, 17690607, 32343433, 35381214, 53071821, 64686866, 97030299, 106143642, 194060598, 291090897, 355777763, 582181794, 711555526, 873272691, 1067333289, 1746545382, 2134666578, 3201999867, 6403999734, 9605999601, 19211999202]

約数ペア:

[(1, 19211999202), (2, 9605999601), (3, 6403999734), (6, 3201999867), (9, 2134666578), (11, 1746545382), (18, 1067333289), (22, 873272691), (27, 711555526), (33, 582181794), (54, 355777763), (66, 291090897), (99, 194060598), (181, 106143642), (198, 97030299), (297, 64686866), (362, 53071821), (543, 35381214), (594, 32343433), (1086, 17690607), (1629, 11793738), (1991, 9649422), (3258, 5896869), (3982, 4824711), (4887, 3931246), (5973, 3216474), (9774, 1965623), (11946, 1608237), (17919, 1072158), (35838, 536079), (53757, 357386), (107514, 178693)]