18318699

素因数分解:

$3^2\times 7^2\times {\mathrm{41539}}^1$

素因数の和:41559

約数の個数: 18

約数和(自身を含む): 30781140

約数和(自身を除く): 12462441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 41539, 124617, 290773, 373851, 872319, 2035411, 2616957, 6106233, 18318699]

約数ペア:

[(1, 18318699), (3, 6106233), (7, 2616957), (9, 2035411), (21, 872319), (49, 373851), (63, 290773), (147, 124617), (441, 41539)]