18020037

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2377}}^1$

素因数の和:2425

約数の個数: 24

約数和(自身を含む): 28992576

約数和(自身を除く): 10972539

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2377, 2527, 7131, 7581, 16639, 45163, 49917, 135489, 316141, 858097, 948423, 2574291, 6006679, 18020037]

約数ペア:

[(1, 18020037), (3, 6006679), (7, 2574291), (19, 948423), (21, 858097), (57, 316141), (133, 135489), (361, 49917), (399, 45163), (1083, 16639), (2377, 7581), (2527, 7131)]