18264855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 33606144

約数和(自身を除く): 15341289

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 883, 985, 1379, 2649, 2955, 4137, 4415, 6181, 6895, 13245, 18543, 20685, 30905, 92715, 173951, 521853, 869755, 1217657, 2609265, 3652971, 6088285, 18264855]

約数ペア:

[(1, 18264855), (3, 6088285), (5, 3652971), (7, 2609265), (15, 1217657), (21, 869755), (35, 521853), (105, 173951), (197, 92715), (591, 30905), (883, 20685), (985, 18543), (1379, 13245), (2649, 6895), (2955, 6181), (4137, 4415)]