19212567

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 30896640

約数和(自身を除く): 11684073

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 1489, 4301, 4467, 12903, 16379, 25313, 34247, 49137, 75939, 102741, 278443, 376717, 582199, 835329, 1130151, 1746597, 6404189, 19212567]

約数ペア:

[(1, 19212567), (3, 6404189), (11, 1746597), (17, 1130151), (23, 835329), (33, 582199), (51, 376717), (69, 278443), (187, 102741), (253, 75939), (391, 49137), (561, 34247), (759, 25313), (1173, 16379), (1489, 12903), (4301, 4467)]