19891596

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 48996864

約数和(自身を除く): 29105268

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 97, 138, 194, 276, 291, 388, 582, 743, 1164, 1486, 2229, 2231, 2972, 4458, 4462, 6693, 8916, 8924, 13386, 17089, 26772, 34178, 51267, 68356, 72071, 102534, 144142, 205068, 216213, 288284, 432426, 864852, 1657633, 3315266, 4972899, 6630532, 9945798, 19891596]

約数ペア:

[(1, 19891596), (2, 9945798), (3, 6630532), (4, 4972899), (6, 3315266), (12, 1657633), (23, 864852), (46, 432426), (69, 288284), (92, 216213), (97, 205068), (138, 144142), (194, 102534), (276, 72071), (291, 68356), (388, 51267), (582, 34178), (743, 26772), (1164, 17089), (1486, 13386), (2229, 8924), (2231, 8916), (2972, 6693), (4458, 4462)]