18821805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2437

約数の個数: 32

約数和(自身を含む): 32928768

約数和(自身を除く): 14106963

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2381, 2635, 7143, 7905, 11905, 35715, 40477, 73811, 121431, 202385, 221433, 369055, 607155, 1107165, 1254787, 3764361, 6273935, 18821805]

約数ペア:

[(1, 18821805), (3, 6273935), (5, 3764361), (15, 1254787), (17, 1107165), (31, 607155), (51, 369055), (85, 221433), (93, 202385), (155, 121431), (255, 73811), (465, 40477), (527, 35715), (1581, 11905), (2381, 7905), (2635, 7143)]