18219819051

素因数分解:

$3^3\times 7^1\times {\mathrm{12613}}^1\times {\mathrm{7643}}^1$

素因数の和:20272

約数の個数: 32

約数和(自身を含む): 30854853120

約数和(自身を除く): 12635034069

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 7643, 12613, 22929, 37839, 53501, 68787, 88291, 113517, 160503, 206361, 264873, 340551, 481509, 794619, 1444527, 2383857, 96401159, 289203477, 674808113, 867610431, 2024424339, 2602831293, 6073273017, 18219819051]

約数ペア:

[(1, 18219819051), (3, 6073273017), (7, 2602831293), (9, 2024424339), (21, 867610431), (27, 674808113), (63, 289203477), (189, 96401159), (7643, 2383857), (12613, 1444527), (22929, 794619), (37839, 481509), (53501, 340551), (68787, 264873), (88291, 206361), (113517, 160503)]