18872220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8501}}^1$

素因数の和:8550

約数の個数: 48

約数和(自身を含む): 54276768

約数和(自身を除く): 35404548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8501, 17002, 25503, 34004, 42505, 51006, 85010, 102012, 127515, 170020, 255030, 314537, 510060, 629074, 943611, 1258148, 1572685, 1887222, 3145370, 3774444, 4718055, 6290740, 9436110, 18872220]

約数ペア:

[(1, 18872220), (2, 9436110), (3, 6290740), (4, 4718055), (5, 3774444), (6, 3145370), (10, 1887222), (12, 1572685), (15, 1258148), (20, 943611), (30, 629074), (37, 510060), (60, 314537), (74, 255030), (111, 170020), (148, 127515), (185, 102012), (222, 85010), (370, 51006), (444, 42505), (555, 34004), (740, 25503), (1110, 17002), (2220, 8501)]