18003964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1097}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 34494768

約数和(自身を除く): 16490804

約数列:

[1, 2, 4, 11, 22, 44, 373, 746, 1097, 1492, 2194, 4103, 4388, 8206, 12067, 16412, 24134, 48268, 409181, 818362, 1636724, 4500991, 9001982, 18003964]

約数ペア:

[(1, 18003964), (2, 9001982), (4, 4500991), (11, 1636724), (22, 818362), (44, 409181), (373, 48268), (746, 24134), (1097, 16412), (1492, 12067), (2194, 8206), (4103, 4388)]