20181906

素因数分解:

$2^1\times 3^3\times {\mathrm{251}}^1\times {\mathrm{1489}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 45057600

約数和(自身を除く): 24875694

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 251, 502, 753, 1489, 1506, 2259, 2978, 4467, 4518, 6777, 8934, 13401, 13554, 26802, 40203, 80406, 373739, 747478, 1121217, 2242434, 3363651, 6727302, 10090953, 20181906]

約数ペア:

[(1, 20181906), (2, 10090953), (3, 6727302), (6, 3363651), (9, 2242434), (18, 1121217), (27, 747478), (54, 373739), (251, 80406), (502, 40203), (753, 26802), (1489, 13554), (1506, 13401), (2259, 8934), (2978, 6777), (4467, 4518)]