18870574

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:771

約数の個数: 16

約数和(自身を含む): 28795536

約数和(自身を除く): 9924962

約数列:

[1, 2, 97, 194, 211, 422, 461, 922, 20467, 40934, 44717, 89434, 97271, 194542, 9435287, 18870574]

約数ペア:

[(1, 18870574), (2, 9435287), (97, 194542), (194, 97271), (211, 89434), (422, 44717), (461, 40934), (922, 20467)]