18865431342

素因数分解:

$2^1\times 3^2\times {\mathrm{1997}}^1\times {\mathrm{524827}}^1$

素因数の和:526832

約数の個数: 24

約数和(自身を含む): 40895647416

約数和(自身を除く): 22030216074

約数列:

[1, 2, 3, 6, 9, 18, 1997, 3994, 5991, 11982, 17973, 35946, 524827, 1049654, 1574481, 3148962, 4723443, 9446886, 1048079519, 2096159038, 3144238557, 6288477114, 9432715671, 18865431342]

約数ペア:

[(1, 18865431342), (2, 9432715671), (3, 6288477114), (6, 3144238557), (9, 2096159038), (18, 1048079519), (1997, 9446886), (3994, 4723443), (5991, 3148962), (11982, 1574481), (17973, 1049654), (35946, 524827)]