19981856910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{4243}}^1\times {\mathrm{156979}}^1$

素因数の和:161232

約数の個数: 32

約数和(自身を含む): 47968064640

約数和(自身を除く): 27986207730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 4243, 8486, 12729, 21215, 25458, 42430, 63645, 127290, 156979, 313958, 470937, 784895, 941874, 1569790, 2354685, 4709370, 666061897, 1332123794, 1998185691, 3330309485, 3996371382, 6660618970, 9990928455, 19981856910]

約数ペア:

[(1, 19981856910), (2, 9990928455), (3, 6660618970), (5, 3996371382), (6, 3330309485), (10, 1998185691), (15, 1332123794), (30, 666061897), (4243, 4709370), (8486, 2354685), (12729, 1569790), (21215, 941874), (25458, 784895), (42430, 470937), (63645, 313958), (127290, 156979)]