19811256

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 53395200

約数和(自身を除く): 33583944

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 59, 68, 102, 118, 136, 177, 204, 236, 354, 408, 472, 708, 823, 1003, 1416, 1646, 2006, 2469, 3009, 3292, 4012, 4938, 6018, 6584, 8024, 9876, 12036, 13991, 19752, 24072, 27982, 41973, 48557, 55964, 83946, 97114, 111928, 145671, 167892, 194228, 291342, 335784, 388456, 582684, 825469, 1165368, 1650938, 2476407, 3301876, 4952814, 6603752, 9905628, 19811256]

約数ペア:

[(1, 19811256), (2, 9905628), (3, 6603752), (4, 4952814), (6, 3301876), (8, 2476407), (12, 1650938), (17, 1165368), (24, 825469), (34, 582684), (51, 388456), (59, 335784), (68, 291342), (102, 194228), (118, 167892), (136, 145671), (177, 111928), (204, 97114), (236, 83946), (354, 55964), (408, 48557), (472, 41973), (708, 27982), (823, 24072), (1003, 19752), (1416, 13991), (1646, 12036), (2006, 9876), (2469, 8024), (3009, 6584), (3292, 6018), (4012, 4938)]