18663780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1579}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 52557120

約数和(自身を除く): 33893340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1579, 1970, 2364, 2955, 3158, 3940, 4737, 5910, 6316, 7895, 9474, 11820, 15790, 18948, 23685, 31580, 47370, 94740, 311063, 622126, 933189, 1244252, 1555315, 1866378, 3110630, 3732756, 4665945, 6221260, 9331890, 18663780]

約数ペア:

[(1, 18663780), (2, 9331890), (3, 6221260), (4, 4665945), (5, 3732756), (6, 3110630), (10, 1866378), (12, 1555315), (15, 1244252), (20, 933189), (30, 622126), (60, 311063), (197, 94740), (394, 47370), (591, 31580), (788, 23685), (985, 18948), (1182, 15790), (1579, 11820), (1970, 9474), (2364, 7895), (2955, 6316), (3158, 5910), (3940, 4737)]