18031233

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 27320832

約数和(自身を除く): 9289599

約数列:

[1, 3, 11, 33, 43, 97, 129, 131, 291, 393, 473, 1067, 1419, 1441, 3201, 4171, 4323, 5633, 12513, 12707, 16899, 38121, 45881, 61963, 137643, 139777, 185889, 419331, 546401, 1639203, 6010411, 18031233]

約数ペア:

[(1, 18031233), (3, 6010411), (11, 1639203), (33, 546401), (43, 419331), (97, 185889), (129, 139777), (131, 137643), (291, 61963), (393, 45881), (473, 38121), (1067, 16899), (1419, 12707), (1441, 12513), (3201, 5633), (4171, 4323)]