18534005

素因数分解:

$5^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 32

約数和(自身を含む): 26438400

約数和(自身を除く): 7904395

約数列:

[1, 5, 7, 35, 49, 101, 107, 245, 343, 505, 535, 707, 749, 1715, 3535, 3745, 4949, 5243, 10807, 24745, 26215, 34643, 36701, 54035, 75649, 173215, 183505, 378245, 529543, 2647715, 3706801, 18534005]

約数ペア:

[(1, 18534005), (5, 3706801), (7, 2647715), (35, 529543), (49, 378245), (101, 183505), (107, 173215), (245, 75649), (343, 54035), (505, 36701), (535, 34643), (707, 26215), (749, 24745), (1715, 10807), (3535, 5243), (3745, 4949)]