18528318

素因数分解:

$2^1\times 3^3\times {\mathrm{251}}^1\times {\mathrm{1367}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 22840002

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 251, 502, 753, 1367, 1506, 2259, 2734, 4101, 4518, 6777, 8202, 12303, 13554, 24606, 36909, 73818, 343117, 686234, 1029351, 2058702, 3088053, 6176106, 9264159, 18528318]

約数ペア:

[(1, 18528318), (2, 9264159), (3, 6176106), (6, 3088053), (9, 2058702), (18, 1029351), (27, 686234), (54, 343117), (251, 73818), (502, 36909), (753, 24606), (1367, 13554), (1506, 12303), (2259, 8202), (2734, 6777), (4101, 4518)]