20199251937

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1957861}}^1$

素因数の和:1958064

約数の個数: 16

約数和(自身を含む): 28506470720

約数和(自身を除く): 8307218783

約数列:

[1, 3, 19, 57, 181, 543, 3439, 10317, 1957861, 5873583, 37199359, 111598077, 354372841, 1063118523, 6733083979, 20199251937]

約数ペア:

[(1, 20199251937), (3, 6733083979), (19, 1063118523), (57, 354372841), (181, 111598077), (543, 37199359), (3439, 5873583), (10317, 1957861)]