19609370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2110

約数の個数: 32

約数和(自身を含む): 38957760

約数和(自身を除く): 19348390

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 2003, 4006, 4895, 9790, 10015, 20030, 22033, 44066, 110165, 178267, 220330, 356534, 891335, 1782670, 1960937, 3921874, 9804685, 19609370]

約数ペア:

[(1, 19609370), (2, 9804685), (5, 3921874), (10, 1960937), (11, 1782670), (22, 891335), (55, 356534), (89, 220330), (110, 178267), (178, 110165), (445, 44066), (890, 22033), (979, 20030), (1958, 10015), (2003, 9790), (4006, 4895)]