19620780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{937}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 55154400

約数和(自身を除く): 35533620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 698, 937, 1047, 1396, 1745, 1874, 2094, 2811, 3490, 3748, 4188, 4685, 5235, 5622, 6980, 9370, 10470, 11244, 14055, 18740, 20940, 28110, 56220, 327013, 654026, 981039, 1308052, 1635065, 1962078, 3270130, 3924156, 4905195, 6540260, 9810390, 19620780]

約数ペア:

[(1, 19620780), (2, 9810390), (3, 6540260), (4, 4905195), (5, 3924156), (6, 3270130), (10, 1962078), (12, 1635065), (15, 1308052), (20, 981039), (30, 654026), (60, 327013), (349, 56220), (698, 28110), (937, 20940), (1047, 18740), (1396, 14055), (1745, 11244), (1874, 10470), (2094, 9370), (2811, 6980), (3490, 5622), (3748, 5235), (4188, 4685)]