19605015

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 35773920

約数和(自身を除く): 16168905

約数列:

[1, 3, 5, 9, 15, 29, 45, 83, 87, 145, 181, 249, 261, 415, 435, 543, 747, 905, 1245, 1305, 1629, 2407, 2715, 3735, 5249, 7221, 8145, 12035, 15023, 15747, 21663, 26245, 36105, 45069, 47241, 75115, 78735, 108315, 135207, 225345, 236205, 435667, 676035, 1307001, 2178335, 3921003, 6535005, 19605015]

約数ペア:

[(1, 19605015), (3, 6535005), (5, 3921003), (9, 2178335), (15, 1307001), (29, 676035), (45, 435667), (83, 236205), (87, 225345), (145, 135207), (181, 108315), (249, 78735), (261, 75115), (415, 47241), (435, 45069), (543, 36105), (747, 26245), (905, 21663), (1245, 15747), (1305, 15023), (1629, 12035), (2407, 8145), (2715, 7221), (3735, 5249)]