19631571

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 28366848

約数和(自身を除く): 8735277

約数列:

[1, 3, 37, 47, 53, 71, 111, 141, 159, 213, 1739, 1961, 2491, 2627, 3337, 3763, 5217, 5883, 7473, 7881, 10011, 11289, 92167, 123469, 139231, 176861, 276501, 370407, 417693, 530583, 6543857, 19631571]

約数ペア:

[(1, 19631571), (3, 6543857), (37, 530583), (47, 417693), (53, 370407), (71, 276501), (111, 176861), (141, 139231), (159, 123469), (213, 92167), (1739, 11289), (1961, 10011), (2491, 7881), (2627, 7473), (3337, 5883), (3763, 5217)]