19551708

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 54578160

約数和(自身を除く): 35026452

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 97, 99, 132, 194, 198, 291, 388, 396, 509, 582, 873, 1018, 1067, 1164, 1527, 1746, 2036, 2134, 3054, 3201, 3492, 4268, 4581, 5599, 6108, 6402, 9162, 9603, 11198, 12804, 16797, 18324, 19206, 22396, 33594, 38412, 49373, 50391, 67188, 98746, 100782, 148119, 197492, 201564, 296238, 444357, 543103, 592476, 888714, 1086206, 1629309, 1777428, 2172412, 3258618, 4887927, 6517236, 9775854, 19551708]

約数ペア:

[(1, 19551708), (2, 9775854), (3, 6517236), (4, 4887927), (6, 3258618), (9, 2172412), (11, 1777428), (12, 1629309), (18, 1086206), (22, 888714), (33, 592476), (36, 543103), (44, 444357), (66, 296238), (97, 201564), (99, 197492), (132, 148119), (194, 100782), (198, 98746), (291, 67188), (388, 50391), (396, 49373), (509, 38412), (582, 33594), (873, 22396), (1018, 19206), (1067, 18324), (1164, 16797), (1527, 12804), (1746, 11198), (2036, 9603), (2134, 9162), (3054, 6402), (3201, 6108), (3492, 5599), (4268, 4581)]