18824319

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{757}}^1$

素因数の和:1076

約数の個数: 20

約数和(自身を含む): 28249144

約数和(自身を除く): 9424825

約数列:

[1, 3, 9, 27, 81, 307, 757, 921, 2271, 2763, 6813, 8289, 20439, 24867, 61317, 232399, 697197, 2091591, 6274773, 18824319]

約数ペア:

[(1, 18824319), (3, 6274773), (9, 2091591), (27, 697197), (81, 232399), (307, 61317), (757, 24867), (921, 20439), (2271, 8289), (2763, 6813)]