18678645

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18047}}^1$

素因数の和:18081

約数の個数: 24

約数和(自身を含む): 33785856

約数和(自身を除く): 15107211

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 18047, 54141, 90235, 162423, 270705, 415081, 812115, 1245243, 2075405, 3735729, 6226215, 18678645]

約数ペア:

[(1, 18678645), (3, 6226215), (5, 3735729), (9, 2075405), (15, 1245243), (23, 812115), (45, 415081), (69, 270705), (115, 162423), (207, 90235), (345, 54141), (1035, 18047)]