20181636747

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{1511}}^1\times {\mathrm{28001}}^1$

素因数の和:29571

約数の個数: 24

約数和(自身を含む): 29721994848

約数和(自身を除く): 9540358101

約数列:

[1, 3, 9, 53, 159, 477, 1511, 4533, 13599, 28001, 80083, 84003, 240249, 252009, 720747, 1484053, 4452159, 13356477, 42309511, 126928533, 380785599, 2242404083, 6727212249, 20181636747]

約数ペア:

[(1, 20181636747), (3, 6727212249), (9, 2242404083), (53, 380785599), (159, 126928533), (477, 42309511), (1511, 13356477), (4533, 4452159), (13599, 1484053), (28001, 720747), (80083, 252009), (84003, 240249)]