19209105

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 34856640

約数和(自身を除く): 15647535

約数列:

[1, 3, 5, 9, 15, 37, 45, 83, 111, 139, 185, 249, 333, 415, 417, 555, 695, 747, 1245, 1251, 1665, 2085, 3071, 3735, 5143, 6255, 9213, 11537, 15355, 15429, 25715, 27639, 34611, 46065, 46287, 57685, 77145, 103833, 138195, 173055, 231435, 426869, 519165, 1280607, 2134345, 3841821, 6403035, 19209105]

約数ペア:

[(1, 19209105), (3, 6403035), (5, 3841821), (9, 2134345), (15, 1280607), (37, 519165), (45, 426869), (83, 231435), (111, 173055), (139, 138195), (185, 103833), (249, 77145), (333, 57685), (415, 46287), (417, 46065), (555, 34611), (695, 27639), (747, 25715), (1245, 15429), (1251, 15355), (1665, 11537), (2085, 9213), (3071, 6255), (3735, 5143)]