18538952

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 17126968

約数列:

[1, 2, 4, 8, 71, 127, 142, 254, 257, 284, 508, 514, 568, 1016, 1028, 2056, 9017, 18034, 18247, 32639, 36068, 36494, 65278, 72136, 72988, 130556, 145976, 261112, 2317369, 4634738, 9269476, 18538952]

約数ペア:

[(1, 18538952), (2, 9269476), (4, 4634738), (8, 2317369), (71, 261112), (127, 145976), (142, 130556), (254, 72988), (257, 72136), (284, 65278), (508, 36494), (514, 36068), (568, 32639), (1016, 18247), (1028, 18034), (2056, 9017)]